Expand each of the following, using suitable indentities:(x+2y+4z)^2

1.	Expand each of the following, using suitable indentities:(x+2y+4z)^2
Answer» \xa0(x\xa0+\xa02y\xa0+\xa04z)2\xa0= (x)2\xa0+ (2y)2\xa0+ (4z)2\xa0+\xa02(x)(2y) +\xa02(2y)(4z) +\xa02(4z)(x)\|\xa0Using Identity\xa0V= x2 + 4y2 + 16z2 + 4xy + 16yz + 8 zx.

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