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Hsc math practical 2nd paper2015 wg0
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Hsc math practical 2nd paper2015 wg0
1.
D”PZi MwYZ e¨envwiK
2q cÎ 1 cixÿv bs 1.1 ZvwiLt cixÿ‡bi bvgt †jLwP‡Îi mvnv‡h¨ wØgvwÎK †hvMvkÖqx †cÖvMÖvwgs G Afxó dvskb Gi gvb m‡e©v”PKiY| kZ©vejx: g~jZZ¡t cÖ`Ë AmgZv Ges Gi †jLwPÎ AsKb K‡i AbyKzj GjvKvi †K․wYK we›`y¸wji ¯’vbvsK wbY©q Kwi| †K․wYK we›`y¸wji ¯’vbvs‡Ki gvb ewm‡q Gi m‡e©v”P gvb wbY©q Kwi| cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. AmgZv¸wji Abyiƒc ‣iwLK mgxKiY †K †Q`K AvKv‡i cÖKvk K‡i cvB, ( ) ( ) 2. GKwU QK KvM‡R ¯’vbvs‡Ki Aÿ‡iLv I AuvwK| 3. Dfq Aÿ eivei ÿz`ªZg e‡M©i evû = GKK a‡i ( )bs †iLv¯’ ( ) I ( ); ( )bs †iLv¯’ ( ) I ( )we›`y¸wj MÖvd KvM‡R ¯’vcb Kwi Ges miæ †cwÝj w`‡q cÖvß we›`y¸wj ms‡hvM K‡i h_vµ‡g ( ) I ( )†iLvi †jLwPÎ AsKb Kwi| 4. ( ) we›`y AmgZv‡K wm× K‡i (∵ mZ¨)| myZivs ( ) †iLv¯’ I Gi( ) we›`yi cvk¦©¯’ mKj we›`yi †mU H AmgZvi mgvavb| Z`ªæc ( ) †iLv¯’ I Gi( ) we›`yi cvk¦©¯’ mKj we›`yi †mU AmgZvi mgvavb| ZvQvov Øviv eySvq mgvav‡bi AbyKzj GjvKv 1g PZzf©v‡M Aew¯’Z| 5. PZzfz©R Øviv mxgve× GjvKvi we›`ymg~‡ni †mU cÖ`Ë mKj kZ©‡K wm× K‡i| AZGe, GB †ÿÎwUB mgvav‡bi AbyKzj GjvKv| 6. PZzfz©‡Ri †K․wYK we›`yi ¯’vbvsK ( ) ( ) ( ) I ( ) Gi †Q` we›`y ( )Ges ( ) 7. Afxó dvsk‡b †K․wYK we›`y¸wji gvb ewm‡q Gi m‡e©v”P gvb wbY©q Kwi| dj msKjbt ‡K․wYK we›`y ( ) ( ) ( ) ( ) djvdjt Gi m‡e©v”P gvb = (0, 30) (45, 0) (0, 20) (80, 0)
2.
D”PZi MwYZ e¨envwiK
2q cÎ 2 cixÿv bs 1.2 ZvwiLt cixÿ‡bi bvgt †jLwP‡Îi mvnv‡h¨ wØgvwÎK †hvMvkÖqx †cÖvMÖvwgs G Afxó dvskb Gi me©wb¤œ gvb wbY©q| kZ©vejx: g~jZZ¡t cÖ`Ë AmgZv Gi †jLwPÎ AsKb K‡i AbyKzj GjvKvi †K․wYK we›`y¸wji ¯’vbvsK wbY©q Kwi| †K․wYK we›`y¸wji ¯’vbvs‡Ki gvb ewm‡q Gi me©wb¤œ gvb wbY©q Kwi| cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. AmgZv¸wji Abyiƒc ‣iwLK mgxKiY ( ) ( ) ( ) 2. GKwU QK KvM‡R ¯’vbvs‡Ki Aÿ‡iLv I AuvwK| 3. Dfq Aÿ eivei ÿz`ªZg e‡M©i evû = GKK a‡i ( )bs †iLv¯’ ( ) I ( ); ( )bs †iLv¯’ ( ) I ( ); ( )bs †iLv¯’ ( ) I ( ) we›`y¸wj MÖvd KvM‡R ¯’vcb Kwi Ges miæ †cwÝj w`‡q cÖwZ ‡Rvov ms‡hvM K‡i h_vµ‡g ( ) ( ) I ( )†iLvi †jLwPÎ AsKb Kwi| 4. ( ) we›`y AmgZv‡K wm× K‡i bv (∵ mZ¨ bq)| myZivs ( ) †iLv¯’ I Gi ( ) we›`yi wecixZ cvk¦©¯’ mKj we›`yi †mU H AmgZvi mgvavb| Abyiƒcfv‡e ( ) †iLv¯’ I Gi( ) we›`yi wecixZ cvk¦©¯’ mKi we›`yi †mU AmgZvi mgvavb Ges ( ) †iLv¯’ I Gi( ) we›`yi wecixZ cvk¦©¯’ mKi we›`yi †mU AmgZvi mgvavb| ZvQvov Øviv eySvq mgvav‡bi AbyKzj GjvKv 1g PZzf©v‡M Aew¯’Z| 5. I ‡iLv·qi Dci¯’ I Zv‡`i Wvb cvk¦©¯’ we›`ymg~‡ni †mU cÖ`Ë mKi kZ©‡K wm× K‡i weavh H AÂjwUB mgvav‡bi AbyKzj GjvKv| 6. †K․wYK we›`yi ¯’vbvsK ( ) ( ) I ( ) Gi †Q` we›`y ( ), ( ) I ( ) Gi †Q` we›`y ( )Ges ( ) 7. Afxó dvsk‡b †K․wYK we›`y¸wji gvb ewm‡q Gi m‡e©v”P gvb wbY©q Kwi| dj msKjbt ‡K․wYK we›`y ( ) ( ) ( ) ( ) djvdjt Gi me©wb¤œ gvb = (12, 0) (0, 22) (18, 0) (0, 18) (24, 0) (0, 6)
3.
D”PZi MwYZ e¨envwiK
2q cÎ 3 cixÿv bs 1.3 ZvwiLt cixÿ‡bi bvgt AvM©Û wP‡Î Ges RwUj msL¨v `yBwU wPwýZ K‡i G‡`i †hvMd‡ji ciggvb (gWzjvm) I bwZ (AvM©‡g›U) wbY©q| g~jZË¡t g~jwe›`y, -Aÿ‡K ev¯Íe Aÿ Ges -Aÿ‡K KvíwbK Aÿ a‡i I RwUj msL¨vØq‡K AvM©Û wP‡Î wPwýZ Ki‡j g~jwe›`yi mv‡_ G‡`i ms‡hvM †iLvØq‡K mwbœwnZ evû a‡i AswKZ mvgvšÍwi‡Ki KY©wU n‡e + Gi ciggvb Ges A‡ÿi abvZ¥K w`‡Ki mv‡_ KY©wUi Drcbœ †KvY n‡e bwZ| cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) Puv`v (vii) ‡cwÝj K¤úvm (viii) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AuvwK| 2. Aÿ I Aÿ eivei ÿz`ªZg e‡M©i evû = GKK a‡i Ges ‡K ( ) ( ) Øviv wb‡`©k K‡i QK KvM‡R ¯’vcb Kwi| 3. I †K mwbœwnZ evû a‡i mvgvšÍwiK AsKb Kwi Ges †hvM Kwi| Zvn‡j we›`y RwUj msL¨v `yBwUi †hvMdj + Gi Ae¯’vb wb‡`©k K‡i| Zvn‡j, + Gi ciggvb + Ges + Gi bwZ . wnmvet + = + = dj msKjbt we›`yi ¯’vbvsK we›`yi ¯’vbvsK + we›`yi ¯’vbvsK ciggvb wbY©q bwZ wbY©q MÖvd n‡Z m~Î n‡Z MÖvd n‡Z Puv`vi mvnv‡h¨ m~Î n‡Z ( ) ( ) ( ) Ni = GKK √ √ √ ( ) djvdjt wb‡Y©q ciggvb = GKK Ges bwZ= gšÍe¨t †jLwPÎ n‡Z cÖvß gvb Ges MvwYwZKfv‡e wbY©qK…Z gvb cÖvq mgvb| AZGe djvdj mwVK| (4, 2) (2, 8) (2, -3) (0, 0)
4.
D”PZi MwYZ e¨envwiK
2q cÎ 4 cixÿY bs 1.4 ZvwiLt cixÿ‡Yi bvgt AvM©Û wP‡Î Ges RwUj msL¨v `yBwU wPwýZ K‡i G‡`i we‡qvMd‡ji ciggvb (gWzjvm) I bwZ (AvM©‡g›U) wbY©q| g~jZË¡t g~jwe›`y, -Aÿ‡K ev¯Íe Aÿ Ges -Aÿ‡K KvíwbK Aÿ a‡i I RwUj msL¨vØq‡K AvM©Û wP‡Î wPwýZ Ki‡j g~jwe›`yi mv‡_ G‡`i ms‡hvM †iLvØq‡K mwbœwnZ evû a‡i AswKZ mvgvšÍwi‡Ki KY©wU n‡e Gi ciggvb Ges A‡ÿi abvZ¥K w`‡Ki mv‡_ KY©wUi Drcbœ †KvY n‡e bwZ| cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) Puv`v (vii) ‡cwÝj K¤úvm (viii) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AuvwK| 2. Aÿ I Aÿ eivei ÿz`ªZg e‡M©i evû = GKK a‡i Ges ‡K ( ) ( ) Øviv wb‡`©k K‡i QK KvM‡R ¯’vcb Kwi| 3. I †K mwbœwnZ evû a‡i mvgvšÍwiK AsKb Kwi Ges †hvM Kwi| Zvn‡j we›`y RwUj msL¨v `yBwUi we‡qvMdj Gi Ae¯’vb wb‡`©k K‡i| Zvn‡j, Gi ciggvb Ges + Gi bwZ . wnmvet =( ) ( )= dj msKjbt we›`yi ¯’vbvsK we›`yi ¯’vbvsK we›`yi ¯’vbvsK ciggvb wbY©q bwZ wbY©q MÖvd n‡Z m~Î n‡Z MÖvd n‡Z Puv`vi mvnv‡h¨ m~Î n‡Z ( ) ( ) ( ) Ni = GKK √ √ √ ( ) djvdjt wb‡Y©q ciggvb = GKK Ges bwZ= gšÍe¨t †jLwPÎ n‡Z cÖvß gvb Ges MvwYwZKfv‡e wbY©qK…Z gvb cÖvq mgvb| AZGe djvdj mwVK| (0, 0) (5, 6) (2, 8) (-3, 2)
5.
D”PZi MwYZ e¨envwiK
2q cÎ 5 cixÿv bs 2.1 ZvwiLt cixÿ‡Yi bvgt ‡j‡Li mvnv‡h¨ ( ) mgxKi‡Yi ev¯Íe g~‡ji Avmbœ gvb wbY©q| g~jZË¡t †j‡Li Dci Ges Gi Rb¨ ( ) hw` ( ) Ges ( ) wecixZ wPýhy³ nq Z‡e e¨ewai g‡a¨ ( ) Gi Kgc‡ÿ GKwU A_ev we‡Rvo msL¨K g~j _vK‡e| ( ) hw` ( ) Ges ( ) GKB wPýhy³ nq Z‡e e¨ewai g‡a¨ ( ) Gi ‡Rvo msL¨K g~j _vK‡e A_ev ‡Kvb g~j _vK‡e bv| ( ) ( ) mgxKi‡Yi †jLwPÎ Aÿ‡K †h we›`y‡Z †Q` ev ¯úk© K‡i Zvi fzR ( ) mgxKi‡Yi ev¯Íe g~j n‡e| hw` fzR fMœvsk nq Z‡e †mB fz‡Ri Avmbœ gvb ( ) mgxKi‡Yi g~‡ji Avmbœ gvb n‡e| ( ) ( ) mgxKi‡Yi †jLwPÎ Aÿ‡K †Q` ev ¯úk© bv K‡i Z‡e ( ) mgxKi‡Yi ev¯Íe g~j g~j _vK‡e bv| cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AuvwK| 2. ( ) mgxKi‡Y Gi K‡qKwU gvb wb‡q Gi Abyiƒc gvb †ei Kwi I wb‡Pi QKwU •Zwi Kwi| 3. Aÿ eivei ÿz`ªZg e‡M©i evû = GKK Ges Aÿ eivei †QvU e‡M©i evû = GKK ‡¯‥j a‡i ZvwjKvfz³ we›`y¸wj QK KvM‡R ¯’vcb Kwi Ges ¯’vwcZ we›`y¸wj gy³ n‡¯Í eµvKv‡i †hvM K‡i ( )Gi †jLwPÎ AsKb Kwi| 4. ‡jLwPÎwU †h mKj we›`y‡Z Aÿ‡K †Q` K‡i †m mKj we›`yi fzR wbY©q K‡i cÖ`Ë mgxKi‡Yi ev¯Íe g~j wbY©q Kwi| g~‡ji gvb wbY©qt †jLwPÎwU Aÿ‡K ( ) Ges ( ) we›`y‡Z †Q` K‡i‡Q| AZGe ( ) Gi `yBwU g~j I | †jLwPÎ n‡Z †`Lv hv‡”Q †h, ( ) Gi Aci g~jwU e¨ewa‡Z we`¨gvb| e¨ewa‡Z Z…Zxq g~‡ji Avmbœ gvb wbY©qt ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) Z…Zxq g~j = djvdjt wb‡Y©q g~j wZbwU Ges (-3, -25) (-2.5, -9) (-2, 0) (-1, 3) (0, -4) (1, -9) (2, 0) (2.5, 13.5)
6.
D”PZi MwYZ e¨envwiK
2q cÎ 6 cixÿv bs 2.2 ZvwiLt cixÿ‡bi bvgt ‡j‡Li mvnv‡h¨ ( ) mgxKi‡Yi ev¯Íe g~‡ji Avmbœ gvb wbY©q| g~jZË¡t †j‡Li Dci Ges Gi Rb¨ ( ) hw` ( ) Ges ( ) wecixZ wPýhy³ nq Z‡e e¨ewai g‡a¨ ( ) Gi Kgc‡ÿ GKwU A_ev we‡Rvo msL¨K g~j _vK‡e| ( ) hw` ( ) Ges ( ) GKB wPýhy³ nq Z‡e e¨ewai g‡a¨ ( ) Gi ‡Rvo msL¨K g~j _vK‡e A_ev ‡Kvb g~j _vK‡e bv| ( ) ( ) mgxKi‡Yi †jLwPÎ Aÿ‡K †h we›`y‡Z †Q` ev ¯úk© K‡i Zvi fzR ( ) mgxKi‡Yi ev¯Íe g~j n‡e| hw` fzR fMœvsk nq Z‡e †mB fz‡Ri Avmbœ gvb ( ) mgxKi‡Yi g~‡ji Avmbœ gvb n‡e| ( ) ( ) mgxKi‡Yi †jLwPÎ Aÿ‡K †Q` ev ¯úk© bv K‡i Z‡e ( ) mgxKi‡Yi ev¯Íe g~j g~j _vK‡e bv| cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AuvwK| 2. ( ) mgxKi‡Y Gi K‡qKwU gvb wb‡q Gi Abyiƒc gvb †ei Kwi I wb‡Pi QKwU •Zwi Kwi| 3. Dfq Aÿ eivei ÿz`ªZg e‡M©i evû = GKK ‡¯‥j a‡i ZvwjKvfz³ we›`y¸wj QK KvM‡R ¯’vcb Kwi Ges ¯’vwcZ we›`y¸wj gy³ n‡¯Í eµvKv‡i †hvM K‡i ( )Gi †jLwPÎ AsKb Kwi| 4. ‡jLwPÎwU †h mKj we›`y‡Z Aÿ‡K †Q` K‡i †m mKj we›`yi fzR wbY©q K‡i cÖ`Ë mgxKi‡Yi ev¯Íe g~j wbY©q Kwi| g~‡ji gvb wbY©qt †jLwPÎwU Aÿ‡K ( ) we›`y‡Z ¯úk© K‡i| ‡h‡nZz wØNvZ mgxKi‡Yi `yBwU g~j _v‡K, †m‡nZz mgxKiYwUi mgvavb n‡e djvdjt wb‡Y©q g~j `yBwU (-6, 4) (-5, 1) -(4, 0) (-3, 1) (-2, 4)
7.
D”PZi MwYZ e¨envwiK
2q cÎ 7 cixÿv bs ZvwiLt cixÿ‡bi bvgt cive„‡Ëi Dc‡K‡›`ªi ¯’vbvsK ( ) Ges w`Kvÿ †iLvi mgxKiY n‡j Gi †jLwPÎ AsKb Ki| g~jZË¡t cive„‡Ëi Dc‡K›`ª Ges cive„‡Ëi Dci Aew¯’Z †h †Kvb we›`y n‡Z Gi w`Kv‡ÿi j¤^ `~iZ¡ n‡j, cive„‡Ëi Dr‡Kw›`ªKZv cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) ‡cwÝj K¤úvm (vii) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AuvwK| 2. Dfq Aÿ eivei ÿz`ªZg e‡M©i evû = GKK a‡i cive„‡Ëi Dc‡K›`ª ( ) QK KvM‡R ¯’vcb Kwi| 3. A‡ÿi mgvšÍivj cive„‡Ëi w`Kvÿ †iLv AvuwK| 4. Dc‡K›`ª †_‡K w`Kvÿ †iLvi Dci j¤^ AsKb K‡i we›`y‡Z †K mgwØLwÛZ Kwi& Zvn‡j myZivs cive„‡Ëi Dci GKwU we›`y hv cive„‡Ëi kxl©| 5. ewa©Z Gi Dci †h †Kvb we›`y wb‡q H we›`y‡Z j¤^ Uvwb| †K †K›`ª K‡i Gi mgvb e¨vmva© wb‡q GKwU e„ËPvc AvuwK| e„ËPvcwU †K I we›`y‡Z †Q` K‡i| Ges †hvM Kwi| w`Kvÿ †iLvi Dci I j¤^Øq AuvwK| Zvn‡j Ges myZivs cive„‡Ëi Dcwiw¯’Z `yBwU we›`y Ges . 6. ewa©Z Gi Dci h_vµ‡g we›`y wb‡q Abyiƒcfv‡e cive‡Ëi Dci I , I , I we›`y¸wj wba©vib Kwi| 7. we›`y¸‡jv gy³ n‡¯Í eµvKv‡i †hvM K‡i cive„ËwUi †jLwPÎ AsKb Kwi| ‣ewkó¨t i. ii. iii. XX/ Y/ Y Z A SN N1 N2 N3
8.
D”PZi MwYZ e¨envwiK
2q cÎ 8 cixÿv bs ZvwiLt cixÿ‡Yi bvgt Dce„‡Ëi GKwU Dc‡K‡›`ªi ¯’vbvsK ( ) Ges Abyiƒc w`Kvÿ †iLvi mgxKiY Ges Dr‡Kw›`ªKZv n‡j Gi †jLwPÎ AsKb Ki| g~jZË¡t Dce„‡Ëi GKwU Dc‡K›`ª Ges Dce„‡Ëi Dci Aew¯’Z †h †Kvb we›`y n‡Z Gi w`Kv‡ÿi j¤^ `~iZ¡ n‡j, Dce„‡Ëi Dr‡Kw›`ªKZv †hLv‡b cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) ‡cwÝj K¤úvm (vii) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AvuwK| 2. Dfq Aÿ eivei ÿz`ªZg e‡M©i evû = GKK ai cive„‡Ëi Dc‡K›`ª ( ) QK KvM‡R ¯’vcb Kwi Ges A‡ÿi mgvšÍivj Dce„‡Ëi w`Kvÿ †iLv AvuwK| 3. Dc‡K›`ª †_‡K w`Kvÿ †iLvi Dci j¤^ AsKb Kwi| †K I we›`y‡Z Abycv‡Z AšÍwe©f³ I ewnwe©f³ Kwi| Zvn‡j Ges . myZivs I Dce„‡Ëi Dcwiw¯’Z `yBwU we›`y| 4. Gi Dci †h †Kvb we›`y wb‡q j¤^ AvuwK| GLb †K †K›`ª K‡i Gi mgvb e¨mva© wb‡q GKwU e„ËPvc AvuwK, hv †K h_vµ‡g I we›`y‡Z †Q` K‡i| Ges †hvM Kwi| w`Kvÿ †iLvi Dci I j¤^Øq AuvwK| ‡`Lv hvq †h, Ges AZGe I we›`yØq Dce„‡Ëi Dci Aew¯’Z| 5. GKB cÖwµqvq Gi Dci h_vµ‡g we›`y wb‡q I , I , I we›`y¸wj cvIqv hvq| 6. cÖvß we›`y¸wj eµvKv‡i gy³ n‡¯Í †hvM K‡i Dce„ËwUi †jLwPÎ AsKb Kwi| ‣ewkó¨t i. ii. iii. XX/ Y/ Y Z A SN N2 N3
9.
D”PZi MwYZ e¨envwiK
2q cÎ 9 cixÿY bs ZvwiLt cixÿ‡Yi bvgt dvsk‡bi †jLwPÎ AsKb K‡i †j‡Li •ewkó¨ wbY©q| g~jZË¡t hLb Ges Gi †Kvb GKwU gv‡bi Rb¨ Gi A‡bK gvb _vK‡Z cv‡i, Z‡e †KejgvÎ gyL¨ gvb we‡ePbv Kiv n‡e| cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AvuwK| 2. wb‡Pi ZvwjKvq Gi wfbœ wfbœ gv‡bi Rb¨ Gi cÖwZiƒcx gvb wbY©q Kwi| 3. Aÿ eivei ÿz`ªZg e‡M©i evû = GKK Aÿ eivei ÿz`ªZg e‡M©i evû = a‡i ZvwjKvfz³ we›`y¸wj QK KvM‡R ¯’vcb Kwi Ges miæ †cw݇ji mvnv‡h¨ ¯’vwcZ we›`y¸wj gy³ n‡¯Í eµvKv‡i ms‡hvM K‡i Gi †jLwPÎ AsKb Kwi| ‡j‡Li •ewkó¨t i. ‡jLwPÎwU g~j we›`yMvgx Ges †Q`nxb| ii. †jLwPÎwU Zi½vwqZ| iii. ‡jLwPÎwU AcÖwZmg| XX/ Y/ Y O(0,00 ) (1,900 ) (87,600 ) (50,300 ) (-1,-900 ) (-87,-600 ) (-50,-300 ) we:`ª: cÖ‡Z¨KwU e¨envwi‡Ki †¯‹j I Q‡Ki g‡a¨ AmvgÄm¨ _vK‡Z cv‡i| wkÿv_x© Zv‡`i wbR wbR wkÿ‡Ki wbKU Zv ms‡kvab K‡i wb‡q e¨envwiK †bvUey‡Ki Rb¨ cÖ¯‘Z Ki‡e|
10.
D”PZi MwYZ e¨envwiK
2q cÎ 10 cixÿv bs ZvwiLt cixÿ‡bi bvgt Gi Rb¨ GKB †jLwP‡Î w·KvYwgwZK dvskb I Gi wecixZ dvskb AsKb| g~jZË¡t ‡j‡Li Dci¯’ we›`y¸wii fzR I †KvwUi ¯’vb wewbgq K‡i Gi †jLwPÎ AsKb Kiv hvq A_ev †iLvi mv‡c‡ÿ Gi cÖwZ”Qwe AsKb K‡i Gi †jL cvIqv hvq| cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AuvwK| 2. wb‡Pi ZvwjKvq Gi wfbœ wfbœ gv‡bi Rb¨ Gi cÖwZiƒcx gvb wbY©q Kwi| 3. Aÿ eivei ÿz`ªZg e‡M©i evû = , Aÿ eivei ÿz`ªZg e‡M©i evû = GKK a‡i ZvwjKvfz³ we›`y¸wj QK KvM‡R ¯’vcb Kwi Ges miæ †cw݇ji mvnv‡h¨ ¯’vwcZ we›`y¸wj gy³ n‡¯Í eµvKv‡i ms‡hvM K‡i Gi †jLwPÎ AsKb Kwi| 4. ‡j‡Li Dci¯’ we›`y¸wji fzR I †KvwUi ¯’vb wewbgq K‡i cÖvß we›`y¸wj QK KvM‡R ¯’vcb Kwi Ges miæ †cwÝwj‡ii mvnv‡h¨ ¯’vwcZ we›`y¸wj gy³ nv‡Z eµvKv‡i ms‡hvM K‡i Gi ‡jLwPÎ AsKb Kwi| ‣ewkó¨: i. ‡jLwPÎ g~jwe›`yMvgx bq Ges †Q`nxb| ii. ‡jLwPÎØq Zi½vwqZ| iii. ‡jLwPÎØq AcÖwZmg| XX/ Y/ Y O(0,00 ) y=cosx y=cos-1 x (0,1) (600 ,.5) (1,0) (.5,600 ) (1800 ,-1) (-1,1800 )
11.
D”PZi MwYZ e¨envwiK
2q cÎ 11 cixÿv bs ZvwiLt cixÿ‡bi bvgt ‣jwLK c×wZ‡Z †Kvb we›`y‡Z †Kv‡Y wµqviKZ I ei؇qi jwäi gvb I w`K wbY©q| g~jZË¡t Avgiv Rvwb, GKB mg‡q †Kv‡bv GKwU we›`y‡Z ci¯úi †Kv‡Y Kvh©iZ ej؇qi jwä hw` e‡ji w`‡Ki mv‡_ †KvY Drcbœ K‡i Z‡e √ Ges hLb cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) Puv`v (vii) ‡cwÝj K¤úvm (viii) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AvuwK| 2. Aÿ I Aÿ eivei ÿz`ªZg e‡M©i evû = ‡¯‥j a‡i n‡Z eM© evû †K‡U †bB| 3. †iLvi we›`y‡Z ‡KvY AsKb Kwi Ges n‡Z eM©evû †K‡U †bB| 4. Ges †K mwbœwnZ evû a‡i mvgvšÍwiK AsKb Kwi| Ges ej `yBwUi jwä n‡”Q KY© hv e‡ji mv‡_ †KvY Drcbœ K‡i| dj msKjbt jwäi gvb w`K wbY©q jwäi gvb wbY©q jwäi w`K wbY©q MÖvd †_‡K m~Î †_‡K MÖvd †_‡K m~Î †_‡K Ni= √ =√ =√ =√ Puv`vi mvnv‡h¨ = = = djvdjt wb‡Y©q jwäi gvb Ges w`K (cÖvq) gšÍe¨t †jLwPÎ n‡Z cÖvß gvb I MvwYwZKfv‡e wbY©xZ gvb cÖvq mgvb| AZGe djvdj mwVK| X X/ Y/ Y O A B C P Q R 520 M
12.
D”PZi MwYZ e¨envwiK
2q cÎ 12 cixÿv bs ZvwiLt cixÿ‡bi bvgt ‡Kvb we›`y‡Z wµqvkxj PviwU e‡ji gvb I Ges H we›`yMvgx GKwU †iLvi mv‡_ Zv‡`i wµqv‡iLv h_vµ‡g I †KvY Drcbœ K‡i| ej¸wji jwäi gvb I w`K ‣jwLK c×wZ‡Z wbY©q Ki| g~jZË¡t g‡b Kwi, we›`y‡Z wµqviZ ej¸wj H we›`yMvgx †iLv Gi mv‡_ h_vµ‡g ‡KvY Drcbœ Ki‡j eivei Ges Dci j¤^ †iLv eivei ej¸wji j¤^vs‡ki mgwó h_vµ‡g ∑ Ges ∑ (awi) Zvn‡j ej¸wji jwä √ Ges jwä †iLvi mv‡_ †KvY Drcbœ Ki‡j cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) Puv`v (vii) ‡cwÝj K¤úvm (viii) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AuvwK| 2. Aÿ I Aÿ eivei ÿz`ªZg e‡M©i evû = ‡¯‥j awi| 3. †iLvi mv‡_ Nwoi KvUvi wecixZ w`‡K I †Kv‡Y bZ mij‡iLv n‡Z h_vµ‡g I ejmg~n‡K wba©vwiZ †¯‥j Abymv‡i †K‡U wbB Ges w`K wPwýZ Kwi| 4. eivei ej¸‡jvi j¤^vsk wbY©q K‡i †hvM Kwi| 5. eivevi ej¸‡jvi j¤^vsk wbY©q K‡i †hvM Kwi| 6. I eivei j¤^vsk¸wji c„_K c„_K †hvMdj‡K I awi Ges jwä √ wbY©q Kwi| 7. I ejØq‡K c~‡e©v³ †¯‥‡j I eivei h_vµ‡g Ges ‡iLvsk Øviv mywPZ Kwi| AvqZ‡ÿÎwU c~Y© Kwi Ges KY© AvuwK| Zvn‡j KY© Øviv jwäi gvb I w`K mywPZ n‡e| wnmvet eivei ej¸‡jvi j¤^vs‡ki †hvMdj = (awi) eivevi ej¸‡jvi j¤^vs‡ki †hvMdj = (awi) jwäi gvb √( ) ( ) Ges w`K dj msKjbt jwäi gvb jwäi w`K m~Î †_‡K MÖvd †_‡K m~Î †_‡K MÖvd †_‡K Ni = Puv`vi mvnv‡h¨ djvdjt wb‡Y©q jwäi gvb Ges w`K (cÖvq) gšÍe¨t †jLwPÎ n‡Z cÖvß gvb I MvwYwZKfv‡e wbY©xZ gvb cÖvq mgvb| AZGe djvdj mwVK|
13.
D”PZi MwYZ e¨envwiK
2q cÎ 13 cixÿv bs ZvwiLt cixÿ‡bi bvgt wg/‡m. †e‡M Lvov Dc‡ii w`‡K wbwÿß †Kvb e¯‘ mg‡q D”PZvq Ae¯’vb K‡i| I Gi cÖwZm½x gvb wb¤œiƒct - †jLwPÎ AsKb K‡i Zv n‡Z e„nËg D”PZv I e„nËg D”PZvq †cu․Qvi mgq wbY©q Ki‡Z n‡e| g~jZË¡t ‡Kvb e¯‘KYv‡K ‡e‡M Lvov Dc‡ii w`‡K wb‡ÿc Ki‡j hw` e¯‘KYvwU mg‡q D”PZvq D‡V Z‡e ‡hLv‡b ga¨vKl©YRwbZ Z¡iY| m‡e©v”P D”PZv Ges m‡e©v”P D”PZvq †c․uQvi mgq | cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AvuwK| 2. eivei Ges eivevi cwigvc Kwi| 3. Aÿ eivei ÿz`ªZg e‡M©i evû = GKK Ges Aÿ eivei ÿz`ªZg e‡M©i evû = GKK a‡i ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) we›`y¸‡jv QK KvM‡R ¯’vcb Kwi| g‡b Kwi, we›`y¸wj h_vµ‡g 4. DcwiD³ we›`y¸wj miæ †cwÝj w`‡q ms‡hvRb K‡i - †jLwPÎ AsKb Kwi| 5. †jLwPÎ †_‡K m‡e©vPP we›`y wbY©q K‡i we›`ywU‡K Øviv m~wPZ Kwi| we›`y †_‡K A‡ÿi Dci j¤^ AvuwK| Ges Øviv h_vµ‡g m‡e©v”P D”PZv Ges H D”PZvq †c․Qvi mgq wbY©xZ n‡e| dj msKjbt ‡jLwP‡Î †`Lv hvq, we›`yi fzR eM© = †m‡KÛ Ges we›`yi †KvwU eM© wgUvi| myZivs e„nËg D”PZv = wgUvi Ges e„nËg D”PZvq †c․uQvi mgq = †m‡KÛ| m~Î e¨envi K‡i cvB; e„nËg D”PZv wgUvi, e„nËg D”PZvq †cu․Qvi mgq djvdjt e„nËg D”PZv wgUvi Ges e„nËg D”PZvq †cu․Qvi mgq= †m‡KÛ gšÍe¨t †jLwPÎ n‡Z cÖvß gvb I MvwYwZKfv‡e wbY©xZ gvb cÖvq mgvb| AZGe djvdj mwVK| XX/ Y/ Y O P1 P2 P3 P4 P5 P6 P7 P0P0 P N
14.
D”PZi MwYZ e¨envwiK
2q cÎ 14 cixÿY bs ZvwiLt cixÿ‡bi bvgt mgZ¡i‡Y PjšÍ †Kvb KYv †m‡K‡Û `yiZ¡ AwZµg K‡i| Ges Gi Avbylw½K gvb wb‡Pi mviwY‡Z †`Iqv n‡jvt - †jLwPÎ AsKb K‡i e¯‘ KYvi Avw`‡eM I Z¡iY wbY©q Ki| g~jZË¡t Avw`‡eM Ges mylg Z¡iY n‡j mg‡q e¯‘KYv KZ…©K AwZµvšÍ `~iZ¡ cÖ‡qvRbxq DcKiYt (i) †cwÝj (ii) †¯‥j (iii) MÖvd †ccvi (iv) B‡iRvi (v) kvc©bvi (vi) mv‡qw›UwdK K¨vjKz‡jUi| Kvh©c×wZt 1. GKwU QK KvM‡R ¯’vbv‡¼i Aÿ‡iLv I AvuwK| 2. eivei Ges eivei cwigvc Kwi| 3. Gi Rb¨ QK KvM‡Ri ÿz`ªZg e‡M©i evû = GKK Ges Gi Rb¨ ÿz`ªZg e‡M©i evû = GKK †¯‥j a‡i ( ) ( ) ( ) ( ) ( ) ( ) we›`y¸‡jv QK KvM‡R ¯’vcb Kwi Ges miæ †cwÝj w`‡q ¯’vwcZ we›`y¸wj gy³ n‡¯Í eµvKv‡i ms‡hvM K‡i - †jLwPÎ AsKb Kwi| dj msKjbt - †jLwP‡Îi Dci Ges we›`y wbB| Gi Dci I j¤^ AvuwK| GLv‡b, evû = wgUvi evû = ‡m. ( ) ( ) Avevi, evû wgUvi, evû ‡m. ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) djvdjt wb‡Y©q Avw`‡eM wgUvi/‡m. Ges Z¡iY wgUvi/‡m‡KÛ2 . 0, 0 (1, 15) (3, 48) (6, 130) (8, 192) (10, 300) XX/ Y/ Y O Amgvß QK
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