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গণিত ণিণিটাল
ক্লাসে েবাইসে
স্বাগতম
ম োহোম্মদ রফিকুলইসলো
প্রভোষক
গফিত ফিভোগ
ম ট্রোপফলটনস্কু লঅ্যোন্ড কট্লজ
মেফিিঃঅ্্
ফিষয়িঃ গফিত
অ্ধ্যোয়িঃচততু ্থ ক্লোসিঃ০৪
পফরফচতফত
পাঠঘ াষিাাঃ
অনুশীলনীাঃ- ৪.১
িীজগফিতীয় সূত্রোিফল প্রট্য়োগ কট্র স সযোর স সযোরস োধ্োন।
ণশখনফলাঃ
 িীজগফিতীয় সূত্র প্রট্য়োগকট্র ফিপদীও ফত্রপদীরোফির িগথ ফনরূপি করট্ত
পোরট্ি।
 িীজগফিতীয় সূত্র প্রট্য়োগকট্র ফিপদীও ফত্রপদীরোফির সরলীকরি করট্ত
পোরট্ি।
 িীজগফিতীয় সূত্র প্রট্য়োগকট্র ফিপদীও ফত্রপদীরোফির োন ফনিথয় করট্ত পোরট্ি।
এই পাঠ ঘশসষ ণশক্ষার্থীরা ...
এঅনুশীলনীর প্রসয়ািনীয় েূত্রাবণল
মিোট্ডথ 11, 12 ও 13(ক)এর স োধ্োনকট্রমদওয়ো হট্ি।
১১। x+y = 12 এবং xy = 27 হসল, (x-y)2 ও x2+y2 এর মান ণনিণয় ের ।
১২। a+b = 13এবং a-b = 3 হসল, 2a2+2b2 ও ab এর মান ণনিণয় ের ।
১3। দুইটি রাণশর বসগণর অন্তর রুসপ প্রোশ েরাঃ
(ে) (5p-3q)(p+7q) (খ) (6a+9b)(7b-8a)
(গ) (3x+5y)(7x-5y) ( ) (5x+13)(5x-13)
দলীয় কোজিঃ
১১। a+b = 11এবং xy = 21 হসল, (a-b)2 ও a2+b2 এর মান ণনিণয় ের ।
১২। x+y = 13 এবং x-y = 3 হসল, 2x2+2y2 ও xy এর মান ণনিণয় ের ।
১3। দুইটি রাণশর বসগণর অন্তর রুসপ প্রোশ েরাঃ
(গ) (3x+5y)(7x-5y) ( )(5x+13)(5x-13)
মূলযায়নাঃ
।
১১। p+q = 14 এবং pq = 25 হসল, (p-q)2 ও p2+q2 এর মানণনিণয় ের ।
১২। m+n = 13 এবং m-n = 3 হসল, 2m2+2n2 ও mn এর মানণনিণয় ের।
বাণিরোিাঃ
আগো ী ক্লোট্স১১, ১২ ও ১৩ অ্ংকগুট্লো িোফি ম্ট্ক৩
িোর কট্রপ্রোকটিস কট্রআসট্ি।
পোঠ স োফি
েবাইসে
ধনযবাদ

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Class 8 math lesson 04 (aljebra)