Question

If x+y+z =0 then find the value of

Answer 1

Hey there!

x+y+z= 0

x= -y-z

x²= y²+z²+2yz

x²+y²+z²/x²-yz

= y²+z²+2yz + y²+z² / y²+z²+2yz - yz

= 2( y²+z²+yz) / y²+z²+yz

= 2 .

Therefore ,Value of x²+y²+z²/x²-yz is 2