সূত্রের সাহায্যে নিচের রাশিগুলোর বর্গ নির্ণয় কর :

Ans :

x3+xy এর বর্গ =(x3+xy)2

=(x3)2+2x3xy+(xy)2

=x6+2x4y+x2y2 (Ans.)

2 months ago

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1

5a+7b

Created: 2 years ago | Updated: 1 month ago
Updated: 1 month ago

5a + 7b এর বর্গ =(5a+7b)2

=(5a)2+2×5a-7b+(7b)2

=25a2+70ab+49b2 (Ans.)

2

5a+7b

Created: 2 years ago | Updated: 1 month ago
Updated: 1 month ago

5a + 7b এর বর্গ =(5a+7b)2

=(5a)2+2×5a-7b+(7b)2

=25a2+70ab+49b2 (Ans.)

3

7p-2q

Created: 2 years ago | Updated: 1 month ago
Updated: 1 month ago

7p - 2q এর বর্গ =(7p-2q)2

=(7p)2-2×7p×2q+(2q)2

=49p2-28pq+4q2

4

ax-by

Created: 2 years ago | Updated: 1 month ago
Updated: 1 month ago

ax - by এর বর্গ =(ax-by)2

=(ax)2-2axby+(by)2

= a2x2-2abxy + b2y2 (Ans.)

5

11a-12b

Created: 2 years ago | Updated: 1 month ago
Updated: 1 month ago

11a - 12b এর বর্গ =(11a-12b)2

=(11a)2-2×11a×12b+(12b)2

=121a2-264ab+144b2 (Ans.)

6

6x2y-5xy2

Created: 2 years ago | Updated: 1 month ago
Updated: 1 month ago

6x2y  5xy2 এর বর্গ =(6x2y-5xy2)2

=(6x2×y)2-2×6x2×y×5xy2+(5xy2)2

= 36x4y2 - 60x3y2+ 25x2y (Ans.)

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