Question

Factories (X+y)^2-(x-y)^2

Answer 1

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

Let a=x+y

b=x-y

(x+y)^2-(x-y)^2

=(x+y-x+y)(x+y+x-y)

=2y×2x

=4xy

Answer 2

heya friend ✌

(X+Y)^2-(X-Y)^2 (Question)


=>let as (X+Y)=a

and ,(X-Y)=b....

then.....a^2-b^2 as we know that a^2-b^2

=(a-b)(a+b)

=>now putting the value....

since a=X+Y,. and b=X-Y

=>X+Y-(X-Y)【X+Y+(x-y)】

=>(X+Y-X+Y)(X+Y+X-Y)

=>2Y×2X

=>4XY....Ans....


hope it help you...

@Rajukumar☺☺☺