Question

( x square - y square - z square) + (y square - z square - x square) + ( 3 square - x square- y square) + (x square + y square + z square)
simplify​

Answer 1

Answer:

x^2 -y^2 -z^2 + ..........

2x^2 - 2x^2 + 2y^2 - 2y^2 +2z^2 -2z^2 = 0 Ans