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গণিত ণিণিটাল
ক্লাসে েবাইসে
স্বাগতম
ম োহোম্মদ রফিকুলইসলো
প্রভোষক
গফিত ফিভোগ
ম ট্রোপফলটনস্কু লএন্ড কট্লজ
মেফিিঃঅষ্
ফিষয়িঃ গফিত
অষধ্যোয়িঃচততু ্থ
ক্লোসিঃ০9
পফরফচতফত
এট্সো কট্য়কটি িু ট্লর ছফি মদফি
 
কদ িু লটি প্রট্তযকপট্দসোধ্োরি
+
+
পাঠ ঘ াষিাাঃ
গ.সো.গু.ও ল.সো.গু.
ণিখনফলাঃ
 ধ্যপদফিট্েষট্িরসোহোট্যযরোফি োলোরউৎপোদক
ফিট্েষি করট্তপোরট্ি।
 িীজগফিতীয়রোফিরগ.সো.গু. ও ল.সো.গু. ফনিথয়
করট্তপোরট্ি।
এই পাঠ ঘিসষ ণিক্ষার্থীরা ...
এঅনুিীলনীর প্রসয়ািনীয়েূত্রাবণল
3. a3+b3 = (a+b)(a2-ab+b2)
4. a3-b3 = (a-b)(a2+ab+b2)
পোঠদোন
অষনুিীলনী:- 4.৪
ল.ো.গু.ণনিণয়েরাঃ
24। x2 + 3x + 2, x2 −1 এিং x2 + x − 2
২৫। x2 − 4, x2 + 4x + 4 এিং x3 −8
২৬। 6x2 − x −1, 3x2 + 7x + 2
এিং 2x2 + 3x − 2
২৭। a3 + b3, (a + b)3 , (a2 − b2 )2
এিং(a2 − ab + b2 )2
ঘবাসিণ ণবস্তাণরত আসলাচনা েসর ২৪,২৫,২৬ও২৭নং এর েমধান েসর
ঘেওয়া হসব।
দলীয় কোজ
ল.সো.গু.ফনিথয়করিঃ
১। x3 + x2y, x2y + xy2, x3 + y3
এিং (x + y)3
২। a3 −1, a3 +1, a4 + a2 +1
মূলযায়নাঃ
ল.ো.গু. ণনিণয়েরাঃ
24। m2 + 3m + 2, m2 −1
এিং m2 + m − 2
২৫। a2 − 4, a2 + 4a + 4 এিং a3 −8
বাণির োিাঃ
২৬। 6x2 − x −1, 3x2 + 7x + 2
এবং 2x2 + 3x − 2
২৭। a3 + b3, (a + b)3 , (a2 − b2 )2
এবং (a2 − ab + b2 )2
পোঠ স োফি
েবাইসে ধনযবাে

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Class 8 math lesson 9 (aljebra)