Math, asked by opsamotasamota, 6 months ago

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

Answers

Answered by paulamiv06

0

Answer:

x²+4y²+16z²+4xy+16yz+8zx

Step-by-step explanation:

using identity of (a+b+c)² = a²+b²+c²+2(ab+bc+ca)

= x²+4y²+16z²+2(2xy+ 8yz+ 4zx)

= x²+4y²+16z²+4xy+16yz+8zx

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