Question

if x+y+z=0 then x^3+y^3+z^3= ?

Answer 1

x^3+y^3+z^3=(x+y+z)(x^2+y^2+z^2-xy-yz-zx)+3xyz
=0 (x^2+y^2+z^2-xy-yz-zx)+3xyz
=0+3xyz
=3xyz.

Its the answer........hope you are satisfied.....:)♡♡♡