Hii guys I want the swer and the fomula is (a+b)2=A2+2ab+b2it's of std – InterviewSolution

1.

Hii guys I want the swer and the fomula is (a+b)2=A2+2ab+b2it's of std 7 chapter Algebric formulae - expansion of squares

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(ATB)2 =a2+b2+2ab

ax2+by2+2ax.by

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