If 2x – 3y – 6-z, then (1/x + 1/y + 1/z) is equal to:
0
1
3/2
-1/2
Correct Answer : A
If logX (9/16)= -(1/2), then x is equal to
(log5 3)X(log3 625) equals
If log8 (X2+X)-log5(x+1)=2, then the value of x is