Question

verify that x^3+y^3+z^3-3xyz=1/2(x+y+z){(x-y)^2+(y-z)^2+(z-x)^2}​

Answer 1

Answer:

3^x+3^y

=6^x(^y)z^3-3

=0

1/2(x+y+z)

1/2xyz

am I right