Math, asked by vandana7774, 8 days ago

19. (x + y)2 – (x - y)2

Answers

Answered by manikandanmanik07

1

Answer:

By a2-b2

(A+b)(a-b)

Step-by-step explanation:

By same concept

(X+y+x-y)(x+y-x-y)

=(x+x)(0)

2x×0

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