Question

X + Y + Z is equals to zero then x square by 2 X square + Y Z + Y square by 2 Y square + Z X + Zsquare by 2Z square+ XY=​

Answer 1

Answer:

Step-by-step explanation:

we know that ,

x+y+z is 0.

so,

[x^2*2x^2] + [y^2*2y^2] +[z^2*2z^2]+yz+zx+xy

yz+zx+xy