Question

(x²/y²+y²/z²)(y²/z²+z²/x²)(z²/x²+x²/y²)​

Answer 1

Answer. Explanation: x² – y²+ y² – z²+ z² – x² = x²-x²-y²+y²-z²+z²=0. (since, 1-1=0, similarly, x²-x², y²-y²,z²-z² will be zero.)