Question

expand the following using suitable identities (i)(x+2y+yz)^2 (ii)(2x-y+z)^2 (iii)(-2x+3y+2z)^2 (iv)(3a-7b-c)^2 (v)(-2x+5y-3z)^2 (vi)[1/4a-1/2b+1]^2

Answer 1

Answer:

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