Question

XxYoxZ-1
$x \times y0xz - 1 =$
​

Answer 1

Step-by-step explanation:

If x,y,z are all different from zero and |1+x, 1, 1, 1, 1+y, 1, 1, 1, 1+z| = 0, then value of x-1 + y-1 + z-1 is

(a) xyz

(b) x-1y-1z-1

(c) -x-y-z

(d) -1