Math, asked by 9thMANISH1, 1 year ago

Expand each of the following using suitable identities. (ii) (2x-y+z)²

Answers

Answered by spandita3
10
(2x-y+z)²
= (2x) ²+(-y) ²+z²+2{(2x) (-y) +(-y) (z) +(z) (2x)}
=4x²-y²+z²-4xy-2yz+4zx
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