Question

The sum of x²-y², y²-z² , z²-x² is
0
3x²
3y²
3z²

Answer 1

Answer:

GIVEN X²-Y²+Y²-Z²+Z²-X²

HERE -X²+X², -Y²+Y², -Z²+Z² WILL BE CANCELLED

SO THE ANSWER IS 0

Answer 2

Question -

Find the sum of x²-y², y²-z², z²-x²

Solution -

=x²-y²+y²-z²+z²-x²

=x²-x²-y²+y²-z²+z²

=0