Question

If x + y + z=0, then x + y +z ​

Answer 1

Answer:

the given image is your answer

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Answer 2

Answer:

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Step-by-step explanation:

In order to prove this ,

Let us use the formula :

x3 + y3 + z3 - 3xyz = ( x + y + z) (x2 + y2 + z2 - xy - yz - xz)

Now let us keep x + y + z = 0

So,

x3 + y3 + z3 - 3xyz = 0

x3 + y3 + z3 = 3xyz

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