Question

Heya friends can anyone give me the solution of this formula....

(a+b) (a-b) = ??

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By Lovely Tigsha ......

Answer 1

Heya friend here is ur ans nd hope it helps u...

(a+b) (a-b)= a^2 - b ^2


@SharLien.....

Answer 2

it can be done by using identity 4


(a+b)(a-b)
=a (a-b)+b (a-b)
=a square -ab +ba -bsquare =asquare -bsquare since ab=ba