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

    • Posted by Angshuman Talukdar 5 years, 2 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Yogita Ingle 5 years, 2 months ago

     (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.

    1Thank You

    ANSWER
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