Math, asked by nmhlm32776, 6 months ago

Expand (x+2y+ 4z)2 using suitable identity.​

Answers

Answered by Ammulubittu137
2

Step-by-step explanation:

x^2+4y^2+16z^2+4xy+16yz+8xz

Attachments:
Answered by HasiniAashu
0

Answer:

The answer is below

Step-by-step explanation:

(a+b+c)²= a²+b²+c²+2ab+2bc+2ca

= (3x)²+(-2y)²+(-4z)²+2(3x)×(-2y)+2(-2y)×(-4z)+2(-4z)(3x)

= 9x²+4y²+16z²-12xy+16yz-24zx.

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