Question

Verify following for x = 1 and y=-1:
(a) (x + y) = x² + 2xy + y?
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Answer 1

Step-by-step explanation:

just put this values in this equation u get

1. lhs =1-1=0
2. rhs =1)²+2(1)(-1)-1)

1-2-1=1-3=-2