Question

(x+y-z)2

a. x2+y2-z2+2xy-2yz-2zx

b. x2+y2+z2-2xy+2yz+2zx

c. x2+y2+z2+2xy+2yz+2zx

d. x2+y2+z2+2xy-2yz-2zx


whats correct tell​

Answer 1

Answer:

a. X2+y2-z2+2xy-2yz-zx is the correct option

Answer 2

Answer:

(x+y-z)²=x²+y²+z²+2xy-2yz-2zx ANSWER