Question

Answer this with steps

Answer 1

Answer:

we know the identity (a-b)(a+b) = a²-b²

By using this ,

= (x-y)(x+y) + (y-z)(y+z) + (z-x)(z+x)

= (x²-y²) + (y²-z²) + (z²-x²)

= x²-y²+y²-z²+z²-x²

= 0

Step-by-step explanation:

hope it will help you !!!!!