Math, asked by skmahii067, 10 months ago

factorise :x^2+4y^2+16z^2+4xy+16yz+8zx and hence find its value, when X=2,y=-1 and z=1

Answers

Answered by kothariadi2003

3

Answer:

Answer comes to be 16.

Step-by-step explanation:

Hope it's right...

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