Math, asked by pujamaharana029, 9 days ago

please answer give me please

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Answered by nkrishna391

1

Answer:

(a+b)2=a2+2ab+b2
a2-b2=(a+b)(a-b)
(2a-3b)2=4a2-12ab+9b2
(2a+5)(2a+3)=(2a)2+(5+3)2a+5x3=4a2+16a+15.

5. (a-b)2=a2-2ab+b2

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