Math, asked by madhav1737, 1 year ago

x square -1 -2y -y square

Answers

Answered by Anonymous
1
your ans

given:-

x2-1-2y-y2

group them

(x2-1)-(2y-y2)

now (x2-1) is forming an identity :- a2-b2=(a+b)(a-b)

so

(x+1)(x-1)-y(2+y)

_________
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