Question

The value of (x - y)(x + y) + (y - 2 points z)(y+z) + (z - x) (z + x) is:

i x+y+z

ii xy+yz+zx

iii x² + y² + z²

iv 0



Tick the correct answer
give me right answer​

Answer 1

Answer:

so sorry i x+y+z answer I hope it is correct answer so sorry