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‫ﻋﻤﻮﻣﯿﺎت ﺣﻮل اﻟﺪوال اﻟﻌﺪدﻳﺔ‬
‫ﻣﻦ اﻗﺘﺮاح أذ : ﻟﺨﺮﻳﺴﻲ ﺳﻤﯿﺮ‬

‫ﺗﻤﺎرﻳﻦ ﻣﻘﺘﺮﺣﺔ‬

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1 ‫ﺗﻤﺮﻳﻦ‬
: ‫ﺣﺪد ﻣﺠﻤﻮﻋﺔ ﺗﻌﺮﻳﻒ اﻟﺪوال اﻟﺘﺎﻟﯿﺔ‬

px  

5 x

،

x 7

h x  

t x  

m x   3  x  4 ،

6 x
1
x
x

4

،

5  sin  x 
2 sin  x   1

g x  

x 5
2 x 3 8
3

k x  

،

1 x
،
x 1  x  7

l x   x 3  8 

f x  

،

5 x
x  3x  4
r x  

x 2  4x  4

qx  

،

2

4 x 3

5  x 2  x 
x2  x  6

x2  x
x2  x  2

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2 ‫ﺗﻤﺮﻳﻦ‬

px   x  x  1  x  1
k x  

،

h x  

x2 

sin  x 
x 3 1

x2

x 4 1

: ‫ادرس زوﺟﯿﺔ اﻟﺪوال اﻟﺘﺎﻟﯿﺔ‬

،

،

g x  

cos x 
x3
، f x  
x 5
x 4  x 2 1

qx   x 2  x  1

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3 ‫ﺗﻤﺮﻳﻦ‬

2 x2  4 x  3
f x   2
: ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ‬
x  2x  2
 x  IR

x 2  2 x  2  0 : ‫1- ﺑﯿﻦ أن‬
D f ‫2- ﺣﺪد‬

 x  IR 1  f  x   2 ‫3- ﺑﯿﻦ أن‬

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4 ‫ﺗﻤﺮﻳﻦ‬
: ‫أوﺟﺪ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪوال اﻟﺘﺎﻟﯿﺔ ﺛﻢ أﻧﺸﺊ ﺛﻤﺜﯿﻠﮫﺎ اﻟﻤﺒﯿﺎﻧﻲ ﻓﻲ م.م.م‬

k x  

r x  

x
x2

،

h x  

3x  1
x2

3x
2
، t x   x  2 x  3
x 1

g  x   2 x 2  6 x  1

،

،

،

f x   x 2  4 x  1

m x   2 x  1 ، q x   2 x 3

‫رﻳﺎﺿﯿــــﺎت اﻟﻨﺠـــــــــــﺎح‬

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،

px   x  2
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‫ﺗﻤﺮﻳﻦ 5‬

‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ : 3 ‪f  x   x 2  4 x ‬‬
‫1- أدرس ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪f‬‬
‫2- أﻧﺸﺊ ‪ C f ‬ﻣﻨﺤﻨﻰ اﻟﺪاﻟﺔ ‪f‬‬
‫3-‬
‫4-‬

‫5-‬
‫6-‬

‫ﻓﻲ م.م.م .‬

‫ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ﺻﻮرة اﻟﻤﺠﺎل ‪  3 , 0 ‬‬
‫2‬
‫أ- ﺗﺤﻘﻖ أن : 1 ‪f  x    x  2  ‬‬
‫ب- ﺣﺪد ﺟﺒﺮﻳﺎ ﺻﻮرة اﻟﻤﺠﺎل ‪  3 , 0 ‬‬
‫ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ‪f 1  0 , 3 ‬‬
‫ﺣﺪد ﺟﺒﺮﻳﺎ ‪f 1  0 , 3 ‬‬

‫‪ x  IR‬‬

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‫ﺗﻤﺮﻳﻦ 6‬

‫3 ‪x‬‬
‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ اﻟﻌﺪدﻳﺔ اﻟﻤﻌﺮﻓﺔ ﺑﻤﺎ ﻳﻠﻲ : ‪‬‬
‫‪3 x‬‬
‫1- ادرس زوﺟﯿﺔ اﻟﺪاﻟﺔ ‪. f‬‬
‫2-‬

‫أ- ﺗﺤﻘﻖ أن ﻟﻜﻞ ‪ x‬و ‪y‬‬

‫ب- اﺳﺘﻨﺘﺞ ﺗﻐﯿﺮات ‪f‬‬

‫ﻣﻦ ‪ 0 ;   ‬‬

‫‪f x  ‬‬

‫9 ‪f x   f  y  x y ‬‬
‫‪‬‬
‫ﺣﯿﺚ ‪: x  y‬‬
‫‪x y‬‬
‫‪3 xy‬‬

‫ﻋﻠﻰ ﻛﻞ ﻣﻦ اﻟﻤﺠﺎﻟﯿﻦ ‪  0 ; 3 ‬و ‪3 ,   ‬‬

‫ج- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪ f‬ﻋﻠﻰ ‪IR‬‬
‫*‬

‫3- اﺳﺘﻨﺘﺞ اﻟﻘﯿﻤﺔ اﻟﺪﻧﻮﻳﺔ ﻟﻠﺪاﻟﺔ ‪f‬‬

‫ﻋﻠﻰ ‪  0 ;   ‬و اﻟﻘﯿﻤﺔ اﻟﻘﺼﻮى ﻋﻠﻰ ‪   ; 0 ‬‬
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‫ﺗﻤﺮﻳﻦ 7‬

‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ اﻟﻌﺪدﻳﺔ اﻟﻤﻌﺮﻓﺔ ﻋﻠﻰ ‪ IR‬ﺑﻤﺎ ﻳﻠﻲ : 5 ‪f  x   x 3  3 x 2  3 x ‬‬

‫‪f x   f  y  ‬‬
‫‪y 3‬‬
‫3‬
‫2‬
‫‪x‬‬
‫1- ﺗﺤﻘﻖ أن ﻟﻜﻞ ‪ x‬و ‪ y‬ﻣﻦ ‪ IR‬ﺣﯿﺚ ‪   y  1 : x  y‬‬
‫‪x y‬‬
‫‪2 ‬‬
‫4‬
‫‪‬‬
‫2- اﺳﺘﻨﺘﺞ ﺗﻐﯿﺮات ‪ f‬ﻋﻠﻰ ‪IR‬‬
‫2‬

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‫ﺗﻤﺮﻳﻦ 8‬

‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺘﯿﻦ 1 ‪f  x   x 2 ‬‬

‫و‬

‫1‪x ‬‬
‫1‪x ‬‬

‫‪g x  ‬‬

‫1- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات ﻛﻞ ﻣﻦ ‪ f‬و ‪g‬‬

‫2- ﺗﺤﻘﻖ أن ‪ C f ‬و ‪ C g ‬ﻳﺘﻘﺎطﻌﺎن ﻓﻲ ‪ A1  1 ; 0‬و ‪ A2 0 ;  1‬و ‪A3  2 ; 3 ‬‬
‫3- أﻧﺸﺊ ﻓﻲ ﻧﻔﺲ اﻟﻤﻌﻠﻢ م.م.م ‪ C f ‬و ‪. C g ‬‬
‫4- ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ﺻﻮرة اﻟﻤﺠﺎل ‪  2 ;   ‬ﺑﺎﻟﺪاﻟﺔ ‪g‬‬

‫.‬

‫5- ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ ‪ h‬اﻟﻤﻌﺮﻓﺔ ﻋﻠﻰ اﻟﻤﺠﺎل ‪I   2 ;   ‬‬
‫أ- ﺗﺤﻘﻖ أن : ‪ h x   f  g  x ‬ﻟﻜﻞ ‪ x‬ﻣﻦ ‪I‬‬
‫ب- ادرس رﺗﺎﺑﺔ اﻟﺪاﻟﺔ ‪ h‬ﻋﻠﻰ ‪I‬‬

‫ﺑﻤﺎ ﻳﻠﻲ :‬

‫‪4x‬‬

‫2‪x  1‬‬

‫‪h x  ‬‬
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‫ﺗﻤﺮﻳﻦ 9‬

‫‪‬‬

‫‪‬‬

‫2 1‬
‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺘﯿﻦ ‪x  2 x‬‬
‫4‬

‫‪ f x  ‬و ‪g x   x‬‬

‫1- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪f‬‬

‫2- اﺣﺴﺐ ‪ f 0‬و ‪ f 2‬و ‪ f 4‬و ‪g 4 ‬‬
‫3-‬

‫أﻧﺸﺊ ‪ C ‬و ‪C ‬‬
‫‪f‬‬

‫‪g‬‬

‫ﻓﻲ م.م.م ‪ O ; i ; j ‬‬

‫4- ﺣﻞ ﻣﺒﯿﺎﻧﯿﺎ اﻟﻤﻌﺎدﻟﺔ ‪f  x   g  x ‬‬

‫5- ﺣﻞ ﻣﺒﯿﺎﻧﯿﺎ اﻟﻤﺘﺮاﺟﺤﺔ ‪f  x   g  x ‬‬

‫‪‬‬

‫‪‬‬

‫1‬
‫6- ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ اﻟﻤﻌﺮﻓﺔ ﻋﻠﻰ ‪ IR ‬ﺑﻤﺎﻳﻠﻲ : ‪x  2 x‬‬
‫4‬
‫7- ﺣﺪد ﻣﻨﺤﻰ ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪ h‬ﻋﻠﻰ ‪IR ‬‬

‫‪h x  ‬‬

‫ﺗﻤﺮﻳﻦ 01‬

‫ﻧﻌﺘﺒﺮ اﻟﺪوال : 3 ‪f  x   x 2  2 x ‬‬
‫1-‬

‫أ- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪f‬‬

‫و‬

‫3 ‪g x   x 2  2 x ‬‬

‫ﺛﻢ أﻧﺸﺊ ‪‬‬

‫‪f‬‬

‫و‬

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‫3 ‪h x   x 2  2 x ‬‬

‫‪ C‬ﻓﻲ م.م.م ‪ O ; i ; j ‬‬

‫ب- ﺣﻞ ﻣﺒﯿﺎﻧﯿﺎ اﻟﻤﺘﺮاﺟﺤﺔ : 3 ‪f  x   ‬‬
‫ج- ﺣﺪد ﻋﺪدﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ ‪ f  x   m‬ﺣﺴﺐ ﻗﯿﻢ اﻟﺒﺎراﻣﺘﺮ ‪m‬‬
‫2-‬

‫أ- ادرس زوﺟﯿﺔ اﻟﺪاﻟﺔ ‪g‬‬
‫ب- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ‬

‫‪ g‬ﺛﻢ أﻧﺸﺊ ‪C ‬‬
‫‪g‬‬

‫ﻓﻲ اﻟﻤﻌﻠﻢ اﻟﺴﺎﺑﻖ .‬

‫3-‬

‫أ- أوﺟﺪ ﺟﺪول إﺷﺎرة اﻟﺪاﻟﺔ ‪f‬‬
‫ب- اﺳﺘﻨﺘﺞ ﺗﺒﺴﯿﻄﺎ ﻟﻠﺪاﻟﺔ ‪ h‬ﻋﻠﻰ ‪    ;  1 ‬و ‪   1; 3 ‬و ‪ 3 ;   ‬‬
‫4-‬

‫أﻧﺸﺊ ‪C h ‬‬

‫ﻓﻲ اﻟﻤﻌﻠﻢ اﻟﺴﺎﺑﻖ .‬

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‫ﺗﻤﺮﻳﻦ 11‬

‫ﻧﻌﺘﺒﺮ اﻟﺪوال : 1 ‪f  x   x 2  4 x ‬‬
‫1- ﺣﺪد ‪ Dg‬و ‪Dh‬‬

‫و 4 ‪g x   x ‬‬

‫و‬

‫5 ‪h x   x 2  4 x ‬‬

‫2- ﺑﯿﻦ أن ‪ f‬ﻣﺼﻐﻮرة ﺑـ 3 ‪‬‬

‫3- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺘﯿﻦ ‪ f‬و ‪g‬‬
‫4- ﺗﺤﻘﻖ أن :‬

‫‪hg f‬‬

‫5- ادرس رﺗﺎﺑﺔ اﻟﺪاﻟﺔ ‪h‬‬

‫ﻋﻠﻰ ‪   ;  2 ‬و ‪  2 ;   ‬‬
‫رﻳﺎﺿﯿــــﺎت اﻟﻨﺠـــــــــــﺎح‬

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‫ﺗﻤﺮﻳﻦ 21‬

‫و 2 ‪g x   x‬‬

‫ﻧﻌﺘﺒﺮ اﻟﺪوال 3 ‪f  x   x 2  4 x ‬‬

‫و 3 ‪h x   x 4  4 x 2 ‬‬

‫1- ادرس زوﺟﯿﺔ اﻟﺪاﻟﺔ ‪h‬‬

‫2- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺘﯿﻦ ‪ f‬و ‪g‬‬
‫3- اﻛﺘﺐ ‪ h‬ﻋﻠﻰ ﺷﻜﻞ ﻣﺮﻛﺐ داﻟﺘﯿﻦ .‬
‫4-‬

‫ﺣﺪد ‪ g  0 ; 2  ‬و ‪ ‬‬

‫‪2 ;‬‬

‫‪‬‬

‫‪g‬‬

‫5- اﺳﺘﻨﺘﺞ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪ h‬ﻋﻠﻰ ‪IR‬‬
‫6-‬

‫أﻧﺸﺊ ‪ C ‬ﻓﻲ م.م.م ‪ O ; i ; j ‬‬

‫.‬

‫‪h‬‬

‫7- ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ اﻟﻤﻌﺮﻓﺔ ﻋﻠﻰ ‪ IR‬ﺑﻤﺎﻳﻠﻲ : 3 ‪p  x   x 4  4 x 2 ‬‬
‫أ-‬

‫أﻧﺸﺊ ‪C ‬‬
‫‪p‬‬

‫ﻓﻲ اﻟﻤﻌﻠﻢ اﻟﺴﺎﺑﻖ‬

‫ب- ﺣﺪد ﻋﺪد ﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ ‪x 4  4 x 2  3  m‬‬

‫ﺣﺴﺐ ﻗﯿﻢ اﻟﺒﺎراﻣﺘﺮ ‪m‬‬

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‫ﺗﻤﺮﻳﻦ 31‬

‫2 ‪x 2  2x ‬‬
‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ :‬
‫1‪x 2  x ‬‬

‫‪f x  ‬‬

‫1- ﺣﺪد ‪ Df‬و اﺣﺴﺐ ‪f 2‬‬
‫2- ﺑﯿﻦ أن ‪ f‬ﻣﻜﺒﻮرة ﺑـ 2 و ﻣﺼﻐﻮرة ﺑـ 3 ‪‬‬

‫3- ﺑﯿﻦ أن 2 ھﻲ ﻗﯿﻤﺔ ﻗﺼﻮﻳﺔ ﻣﻄﻠﻘﺔ ﻟﻠﺪاﻟﺔ ‪f‬‬
‫4- ﺑﯿﻦ أن 3 ‪ ‬ﻟﯿﺴﺖ ﻗﯿﻤﺔ دﻧﻮﻳﺔ ﻟﻠﺪاﻟﺔ ‪f‬‬

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‫ﺗﻤﺮﻳﻦ 41‬

‫‪g x  ‬‬

‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺘﯿﻦ : ‪ f  x   x 2  x‬و ‪x‬‬

‫2 ‪y  2 x ‬‬

‫و اﻟﻤﺴﺘﻘﯿﻢ‬

‫: ‪ ‬‬

‫1-‬

‫أ- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺘﯿﻦ ‪ f‬و ‪g‬‬
‫ب- أﻧﺸﺊ ﻓﻲ ﻧﻔﺲ اﻟﻤﻌﻠﻢ‬

‫‪ C f ‬و ‪ C g ‬و ‪ ‬‬

‫2- ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ﻋﺪد ﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ 2 ‪x  2 x ‬‬
‫3-‬
‫4-‬

‫ﺣﺪد ﺟﺒﺮﻳﺎ إﺣﺪاﺗﯿﺜﻲ ﻧﻘﻂ ﺗﻘﺎطﻊ ‪ C f ‬و ‪ ‬‬
‫ﺣﻞ ﻣﺒﯿﺎﻧﯿﺎ اﻟﻤﺘﺮاﺟﺤﺎت اﻟﺘﺎﻟﯿﺔ : 3 ‪g  x  ‬‬

‫،‬

‫2 ‪g x  ‬‬

‫،‬

‫2 ‪ 2 x  2  f x  ‬‬

‫1‪‬‬
‫‪‬‬
‫‪ 1‬‬
‫5- ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ﺻﻮر اﻟﻤﺠﺎﻻت : ‪ I  0 ; ‬و ‪ I   ;   ‬ﺑﺎﻟﺪاﻟﺔ ‪g‬‬
‫4‪‬‬
‫‪‬‬
‫‪ 4‬‬
‫‪    ; 0 ‬ﺑﺎﻟﺪاﻟﺔ ‪f‬‬
‫6- ﺣﺪد ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪h x   x  x‬‬

‫ﻋﻠﻰ ﻣﺠﻤﻮﻋﺔ ﺗﻌﺮﻳﻔﮫﺎ‬

‫7- أﻧﺸﺊ ﻓﻲ اﻟﻤﻌﻠﻢ اﻟﺴﺎﺑﻖ ﻣﻨﺤﻨﻰ اﻟﺪاﻟﺘﯿﻦ :‬
‫8-‬

‫و ﺻﻮر : ‪   2 ;1 ‬و ‪ 2 ;   ‬‬

‫‪ m‬ﺑﺎراﻣﺘﺮ ﺣﻘﯿﻘﻲ ،ﺣﺪد ﺟﺴﺐ ﻗﯿﻢ ‪m‬‬

‫‪k x   x 2  x‬‬

‫ﻋﺪد ﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ‬

‫و‬

‫‪px   x 2  x‬‬

‫‪x2  x  m‬‬

‫و‬
www.naja7math.com

15 ‫ﺗﻤﺮﻳﻦ‬
(

n  2n  4
،
n 1
2

2n  3
2n  1
،
،
n 1
2n

n2  n ،

 x 1 x
2
، 4E x 5  7
E

2  3






،

E 3 x   10 ، 2 E  x   5 ، E  x   2

n  IN * )

: ‫1- ﺣﺪد اﻟﺠﺰء اﻟﺼﺤﯿﺢ ﻟﻸﻋﺪاد اﻟﺘﺎﻟﯿﺔ‬

3 5

،





2 1

2

،

7 5

،

3

E 3 x  5  1

،

E x   3

2 E x   5

،

E  x   4 : ‫ اﻟﻤﺘﺮاﺟﺤﺎت‬IR ‫3- ﺣﻞ ﻓﻲ‬

،

‫رﻳﺎﺿﯿــــﺎت اﻟﻨﺠـــــــــــﺎح‬

www.naja7math.com

: ‫اﻟﻤﻌﺎدﻻت‬

IR ‫2- ﺣﻞ ﻓﻲ‬

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ex silence math

  • 1. ‫ﻋﻤﻮﻣﯿﺎت ﺣﻮل اﻟﺪوال اﻟﻌﺪدﻳﺔ‬ ‫ﻣﻦ اﻗﺘﺮاح أذ : ﻟﺨﺮﻳﺴﻲ ﺳﻤﯿﺮ‬ ‫ﺗﻤﺎرﻳﻦ ﻣﻘﺘﺮﺣﺔ‬ www.naja7math.com 1 ‫ﺗﻤﺮﻳﻦ‬ : ‫ﺣﺪد ﻣﺠﻤﻮﻋﺔ ﺗﻌﺮﻳﻒ اﻟﺪوال اﻟﺘﺎﻟﯿﺔ‬ px   5 x ، x 7 h x   t x   m x   3  x  4 ، 6 x 1 x x 4 ، 5  sin  x  2 sin  x   1 g x   x 5 2 x 3 8 3 k x   ، 1 x ، x 1  x  7 l x   x 3  8  f x   ، 5 x x  3x  4 r x   x 2  4x  4 qx   ، 2 4 x 3 5  x 2  x  x2  x  6 x2  x x2  x  2 www.naja7math.com 2 ‫ﺗﻤﺮﻳﻦ‬ px   x  x  1  x  1 k x   ، h x   x2  sin  x  x 3 1 x2 x 4 1 : ‫ادرس زوﺟﯿﺔ اﻟﺪوال اﻟﺘﺎﻟﯿﺔ‬ ، ، g x   cos x  x3 ، f x   x 5 x 4  x 2 1 qx   x 2  x  1 www.naja7math.com 3 ‫ﺗﻤﺮﻳﻦ‬ 2 x2  4 x  3 f x   2 : ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ‬ x  2x  2  x  IR x 2  2 x  2  0 : ‫1- ﺑﯿﻦ أن‬ D f ‫2- ﺣﺪد‬  x  IR 1  f  x   2 ‫3- ﺑﯿﻦ أن‬ www.naja7math.com 4 ‫ﺗﻤﺮﻳﻦ‬ : ‫أوﺟﺪ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪوال اﻟﺘﺎﻟﯿﺔ ﺛﻢ أﻧﺸﺊ ﺛﻤﺜﯿﻠﮫﺎ اﻟﻤﺒﯿﺎﻧﻲ ﻓﻲ م.م.م‬ k x   r x   x x2 ، h x   3x  1 x2 3x 2 ، t x   x  2 x  3 x 1 g  x   2 x 2  6 x  1 ، ، ، f x   x 2  4 x  1 m x   2 x  1 ، q x   2 x 3 ‫رﻳﺎﺿﯿــــﺎت اﻟﻨﺠـــــــــــﺎح‬ www.naja7math.com ، px   x  2
  • 2. ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 5‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ : 3 ‪f  x   x 2  4 x ‬‬ ‫1- أدرس ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪f‬‬ ‫2- أﻧﺸﺊ ‪ C f ‬ﻣﻨﺤﻨﻰ اﻟﺪاﻟﺔ ‪f‬‬ ‫3-‬ ‫4-‬ ‫5-‬ ‫6-‬ ‫ﻓﻲ م.م.م .‬ ‫ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ﺻﻮرة اﻟﻤﺠﺎل ‪  3 , 0 ‬‬ ‫2‬ ‫أ- ﺗﺤﻘﻖ أن : 1 ‪f  x    x  2  ‬‬ ‫ب- ﺣﺪد ﺟﺒﺮﻳﺎ ﺻﻮرة اﻟﻤﺠﺎل ‪  3 , 0 ‬‬ ‫ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ‪f 1  0 , 3 ‬‬ ‫ﺣﺪد ﺟﺒﺮﻳﺎ ‪f 1  0 , 3 ‬‬ ‫‪ x  IR‬‬ ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 6‬ ‫3 ‪x‬‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ اﻟﻌﺪدﻳﺔ اﻟﻤﻌﺮﻓﺔ ﺑﻤﺎ ﻳﻠﻲ : ‪‬‬ ‫‪3 x‬‬ ‫1- ادرس زوﺟﯿﺔ اﻟﺪاﻟﺔ ‪. f‬‬ ‫2-‬ ‫أ- ﺗﺤﻘﻖ أن ﻟﻜﻞ ‪ x‬و ‪y‬‬ ‫ب- اﺳﺘﻨﺘﺞ ﺗﻐﯿﺮات ‪f‬‬ ‫ﻣﻦ ‪ 0 ;   ‬‬ ‫‪f x  ‬‬ ‫9 ‪f x   f  y  x y ‬‬ ‫‪‬‬ ‫ﺣﯿﺚ ‪: x  y‬‬ ‫‪x y‬‬ ‫‪3 xy‬‬ ‫ﻋﻠﻰ ﻛﻞ ﻣﻦ اﻟﻤﺠﺎﻟﯿﻦ ‪  0 ; 3 ‬و ‪3 ,   ‬‬ ‫ج- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪ f‬ﻋﻠﻰ ‪IR‬‬ ‫*‬ ‫3- اﺳﺘﻨﺘﺞ اﻟﻘﯿﻤﺔ اﻟﺪﻧﻮﻳﺔ ﻟﻠﺪاﻟﺔ ‪f‬‬ ‫ﻋﻠﻰ ‪  0 ;   ‬و اﻟﻘﯿﻤﺔ اﻟﻘﺼﻮى ﻋﻠﻰ ‪   ; 0 ‬‬ ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 7‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ اﻟﻌﺪدﻳﺔ اﻟﻤﻌﺮﻓﺔ ﻋﻠﻰ ‪ IR‬ﺑﻤﺎ ﻳﻠﻲ : 5 ‪f  x   x 3  3 x 2  3 x ‬‬ ‫‪f x   f  y  ‬‬ ‫‪y 3‬‬ ‫3‬ ‫2‬ ‫‪x‬‬ ‫1- ﺗﺤﻘﻖ أن ﻟﻜﻞ ‪ x‬و ‪ y‬ﻣﻦ ‪ IR‬ﺣﯿﺚ ‪   y  1 : x  y‬‬ ‫‪x y‬‬ ‫‪2 ‬‬ ‫4‬ ‫‪‬‬ ‫2- اﺳﺘﻨﺘﺞ ﺗﻐﯿﺮات ‪ f‬ﻋﻠﻰ ‪IR‬‬ ‫2‬ ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 8‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺘﯿﻦ 1 ‪f  x   x 2 ‬‬ ‫و‬ ‫1‪x ‬‬ ‫1‪x ‬‬ ‫‪g x  ‬‬ ‫1- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات ﻛﻞ ﻣﻦ ‪ f‬و ‪g‬‬ ‫2- ﺗﺤﻘﻖ أن ‪ C f ‬و ‪ C g ‬ﻳﺘﻘﺎطﻌﺎن ﻓﻲ ‪ A1  1 ; 0‬و ‪ A2 0 ;  1‬و ‪A3  2 ; 3 ‬‬ ‫3- أﻧﺸﺊ ﻓﻲ ﻧﻔﺲ اﻟﻤﻌﻠﻢ م.م.م ‪ C f ‬و ‪. C g ‬‬ ‫4- ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ﺻﻮرة اﻟﻤﺠﺎل ‪  2 ;   ‬ﺑﺎﻟﺪاﻟﺔ ‪g‬‬ ‫.‬ ‫5- ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ ‪ h‬اﻟﻤﻌﺮﻓﺔ ﻋﻠﻰ اﻟﻤﺠﺎل ‪I   2 ;   ‬‬ ‫أ- ﺗﺤﻘﻖ أن : ‪ h x   f  g  x ‬ﻟﻜﻞ ‪ x‬ﻣﻦ ‪I‬‬ ‫ب- ادرس رﺗﺎﺑﺔ اﻟﺪاﻟﺔ ‪ h‬ﻋﻠﻰ ‪I‬‬ ‫ﺑﻤﺎ ﻳﻠﻲ :‬ ‫‪4x‬‬ ‫2‪x  1‬‬ ‫‪h x  ‬‬
  • 3. ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 9‬ ‫‪‬‬ ‫‪‬‬ ‫2 1‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺘﯿﻦ ‪x  2 x‬‬ ‫4‬ ‫‪ f x  ‬و ‪g x   x‬‬ ‫1- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪f‬‬ ‫2- اﺣﺴﺐ ‪ f 0‬و ‪ f 2‬و ‪ f 4‬و ‪g 4 ‬‬ ‫3-‬ ‫أﻧﺸﺊ ‪ C ‬و ‪C ‬‬ ‫‪f‬‬ ‫‪g‬‬ ‫ﻓﻲ م.م.م ‪ O ; i ; j ‬‬ ‫4- ﺣﻞ ﻣﺒﯿﺎﻧﯿﺎ اﻟﻤﻌﺎدﻟﺔ ‪f  x   g  x ‬‬ ‫5- ﺣﻞ ﻣﺒﯿﺎﻧﯿﺎ اﻟﻤﺘﺮاﺟﺤﺔ ‪f  x   g  x ‬‬ ‫‪‬‬ ‫‪‬‬ ‫1‬ ‫6- ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ اﻟﻤﻌﺮﻓﺔ ﻋﻠﻰ ‪ IR ‬ﺑﻤﺎﻳﻠﻲ : ‪x  2 x‬‬ ‫4‬ ‫7- ﺣﺪد ﻣﻨﺤﻰ ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪ h‬ﻋﻠﻰ ‪IR ‬‬ ‫‪h x  ‬‬ ‫ﺗﻤﺮﻳﻦ 01‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪوال : 3 ‪f  x   x 2  2 x ‬‬ ‫1-‬ ‫أ- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪f‬‬ ‫و‬ ‫3 ‪g x   x 2  2 x ‬‬ ‫ﺛﻢ أﻧﺸﺊ ‪‬‬ ‫‪f‬‬ ‫و‬ ‫‪www.naja7math.com‬‬ ‫3 ‪h x   x 2  2 x ‬‬ ‫‪ C‬ﻓﻲ م.م.م ‪ O ; i ; j ‬‬ ‫ب- ﺣﻞ ﻣﺒﯿﺎﻧﯿﺎ اﻟﻤﺘﺮاﺟﺤﺔ : 3 ‪f  x   ‬‬ ‫ج- ﺣﺪد ﻋﺪدﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ ‪ f  x   m‬ﺣﺴﺐ ﻗﯿﻢ اﻟﺒﺎراﻣﺘﺮ ‪m‬‬ ‫2-‬ ‫أ- ادرس زوﺟﯿﺔ اﻟﺪاﻟﺔ ‪g‬‬ ‫ب- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ‬ ‫‪ g‬ﺛﻢ أﻧﺸﺊ ‪C ‬‬ ‫‪g‬‬ ‫ﻓﻲ اﻟﻤﻌﻠﻢ اﻟﺴﺎﺑﻖ .‬ ‫3-‬ ‫أ- أوﺟﺪ ﺟﺪول إﺷﺎرة اﻟﺪاﻟﺔ ‪f‬‬ ‫ب- اﺳﺘﻨﺘﺞ ﺗﺒﺴﯿﻄﺎ ﻟﻠﺪاﻟﺔ ‪ h‬ﻋﻠﻰ ‪    ;  1 ‬و ‪   1; 3 ‬و ‪ 3 ;   ‬‬ ‫4-‬ ‫أﻧﺸﺊ ‪C h ‬‬ ‫ﻓﻲ اﻟﻤﻌﻠﻢ اﻟﺴﺎﺑﻖ .‬ ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 11‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪوال : 1 ‪f  x   x 2  4 x ‬‬ ‫1- ﺣﺪد ‪ Dg‬و ‪Dh‬‬ ‫و 4 ‪g x   x ‬‬ ‫و‬ ‫5 ‪h x   x 2  4 x ‬‬ ‫2- ﺑﯿﻦ أن ‪ f‬ﻣﺼﻐﻮرة ﺑـ 3 ‪‬‬ ‫3- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺘﯿﻦ ‪ f‬و ‪g‬‬ ‫4- ﺗﺤﻘﻖ أن :‬ ‫‪hg f‬‬ ‫5- ادرس رﺗﺎﺑﺔ اﻟﺪاﻟﺔ ‪h‬‬ ‫ﻋﻠﻰ ‪   ;  2 ‬و ‪  2 ;   ‬‬ ‫رﻳﺎﺿﯿــــﺎت اﻟﻨﺠـــــــــــﺎح‬ ‫‪www.naja7math.com‬‬
  • 4. ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 21‬ ‫و 2 ‪g x   x‬‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪوال 3 ‪f  x   x 2  4 x ‬‬ ‫و 3 ‪h x   x 4  4 x 2 ‬‬ ‫1- ادرس زوﺟﯿﺔ اﻟﺪاﻟﺔ ‪h‬‬ ‫2- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺘﯿﻦ ‪ f‬و ‪g‬‬ ‫3- اﻛﺘﺐ ‪ h‬ﻋﻠﻰ ﺷﻜﻞ ﻣﺮﻛﺐ داﻟﺘﯿﻦ .‬ ‫4-‬ ‫ﺣﺪد ‪ g  0 ; 2  ‬و ‪ ‬‬ ‫‪2 ;‬‬ ‫‪‬‬ ‫‪g‬‬ ‫5- اﺳﺘﻨﺘﺞ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪ h‬ﻋﻠﻰ ‪IR‬‬ ‫6-‬ ‫أﻧﺸﺊ ‪ C ‬ﻓﻲ م.م.م ‪ O ; i ; j ‬‬ ‫.‬ ‫‪h‬‬ ‫7- ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ اﻟﻤﻌﺮﻓﺔ ﻋﻠﻰ ‪ IR‬ﺑﻤﺎﻳﻠﻲ : 3 ‪p  x   x 4  4 x 2 ‬‬ ‫أ-‬ ‫أﻧﺸﺊ ‪C ‬‬ ‫‪p‬‬ ‫ﻓﻲ اﻟﻤﻌﻠﻢ اﻟﺴﺎﺑﻖ‬ ‫ب- ﺣﺪد ﻋﺪد ﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ ‪x 4  4 x 2  3  m‬‬ ‫ﺣﺴﺐ ﻗﯿﻢ اﻟﺒﺎراﻣﺘﺮ ‪m‬‬ ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 31‬ ‫2 ‪x 2  2x ‬‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺔ :‬ ‫1‪x 2  x ‬‬ ‫‪f x  ‬‬ ‫1- ﺣﺪد ‪ Df‬و اﺣﺴﺐ ‪f 2‬‬ ‫2- ﺑﯿﻦ أن ‪ f‬ﻣﻜﺒﻮرة ﺑـ 2 و ﻣﺼﻐﻮرة ﺑـ 3 ‪‬‬ ‫3- ﺑﯿﻦ أن 2 ھﻲ ﻗﯿﻤﺔ ﻗﺼﻮﻳﺔ ﻣﻄﻠﻘﺔ ﻟﻠﺪاﻟﺔ ‪f‬‬ ‫4- ﺑﯿﻦ أن 3 ‪ ‬ﻟﯿﺴﺖ ﻗﯿﻤﺔ دﻧﻮﻳﺔ ﻟﻠﺪاﻟﺔ ‪f‬‬ ‫‪www.naja7math.com‬‬ ‫ﺗﻤﺮﻳﻦ 41‬ ‫‪g x  ‬‬ ‫ﻧﻌﺘﺒﺮ اﻟﺪاﻟﺘﯿﻦ : ‪ f  x   x 2  x‬و ‪x‬‬ ‫2 ‪y  2 x ‬‬ ‫و اﻟﻤﺴﺘﻘﯿﻢ‬ ‫: ‪ ‬‬ ‫1-‬ ‫أ- اﻋﻂ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺘﯿﻦ ‪ f‬و ‪g‬‬ ‫ب- أﻧﺸﺊ ﻓﻲ ﻧﻔﺲ اﻟﻤﻌﻠﻢ‬ ‫‪ C f ‬و ‪ C g ‬و ‪ ‬‬ ‫2- ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ﻋﺪد ﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ 2 ‪x  2 x ‬‬ ‫3-‬ ‫4-‬ ‫ﺣﺪد ﺟﺒﺮﻳﺎ إﺣﺪاﺗﯿﺜﻲ ﻧﻘﻂ ﺗﻘﺎطﻊ ‪ C f ‬و ‪ ‬‬ ‫ﺣﻞ ﻣﺒﯿﺎﻧﯿﺎ اﻟﻤﺘﺮاﺟﺤﺎت اﻟﺘﺎﻟﯿﺔ : 3 ‪g  x  ‬‬ ‫،‬ ‫2 ‪g x  ‬‬ ‫،‬ ‫2 ‪ 2 x  2  f x  ‬‬ ‫1‪‬‬ ‫‪‬‬ ‫‪ 1‬‬ ‫5- ﺣﺪد ﻣﺒﯿﺎﻧﯿﺎ ﺻﻮر اﻟﻤﺠﺎﻻت : ‪ I  0 ; ‬و ‪ I   ;   ‬ﺑﺎﻟﺪاﻟﺔ ‪g‬‬ ‫4‪‬‬ ‫‪‬‬ ‫‪ 4‬‬ ‫‪    ; 0 ‬ﺑﺎﻟﺪاﻟﺔ ‪f‬‬ ‫6- ﺣﺪد ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪h x   x  x‬‬ ‫ﻋﻠﻰ ﻣﺠﻤﻮﻋﺔ ﺗﻌﺮﻳﻔﮫﺎ‬ ‫7- أﻧﺸﺊ ﻓﻲ اﻟﻤﻌﻠﻢ اﻟﺴﺎﺑﻖ ﻣﻨﺤﻨﻰ اﻟﺪاﻟﺘﯿﻦ :‬ ‫8-‬ ‫و ﺻﻮر : ‪   2 ;1 ‬و ‪ 2 ;   ‬‬ ‫‪ m‬ﺑﺎراﻣﺘﺮ ﺣﻘﯿﻘﻲ ،ﺣﺪد ﺟﺴﺐ ﻗﯿﻢ ‪m‬‬ ‫‪k x   x 2  x‬‬ ‫ﻋﺪد ﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ‬ ‫و‬ ‫‪px   x 2  x‬‬ ‫‪x2  x  m‬‬ ‫و‬
  • 5. www.naja7math.com 15 ‫ﺗﻤﺮﻳﻦ‬ ( n  2n  4 ، n 1 2 2n  3 2n  1 ، ، n 1 2n n2  n ،  x 1 x 2 ، 4E x 5  7 E  2  3    ، E 3 x   10 ، 2 E  x   5 ، E  x   2 n  IN * ) : ‫1- ﺣﺪد اﻟﺠﺰء اﻟﺼﺤﯿﺢ ﻟﻸﻋﺪاد اﻟﺘﺎﻟﯿﺔ‬ 3 5 ،   2 1 2 ، 7 5 ، 3 E 3 x  5  1 ، E x   3 2 E x   5 ، E  x   4 : ‫ اﻟﻤﺘﺮاﺟﺤﺎت‬IR ‫3- ﺣﻞ ﻓﻲ‬ ، ‫رﻳﺎﺿﯿــــﺎت اﻟﻨﺠـــــــــــﺎح‬ www.naja7math.com : ‫اﻟﻤﻌﺎدﻻت‬ IR ‫2- ﺣﻞ ﻓﻲ‬