Expand each of the following using suitable identities:(x + 2y + 4z)2 - Zigya
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    Expand each of the following using suitable identities:
    (x + 2y + 4z)2

    (x + 2y + 4z)2
    (x + 2y + 4z)2 = (x)2 + (2y)2 + (4z)2 + 2(x)(2y) + 2(2y)(4z) + 2(4z)(x)
    | Using Identity V
    = x2 + 4y2 + 16z2 + 4xy + 16yz + 8 zx

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