1.

If x, y, z are all different and not equal to zero and |{:(1+x,,1,,1),(1,,1+y,,1),(1,,1,,1+z):}| = 0 then the value of x^(-1) + y^(-1) + z^(-1) is equal to

Answer»

a.xyz
b.`X^(-1)y^(-1)Z^(-1)`
C.`-x-y-z`
d.`-1`

ANSWER :D


Discussion

No Comment Found

Related InterviewSolutions