Question

Expand each of the following,using suitable identities: . (x+2xy+4xz)2​

Answer 1

Answer:

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Answer 2

Answer:

using : (a + b + c) ^2= a^2 + b^2 +c^2 + 2ab+ 2bc + 2ca

= x^2 +(2xy) ^2 + (4xz) ^2 + 2(x * 2xy) + 2(2xy * 4xz) + 2(4xz * x)

= x^2 + 4x^2y^2 + 16x^2z^2 + 4x^2y + 16x^2yz + 8x^2z

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