If 5√5 x 53 + 5-3/2 = 5a+2, then the value of a is:
4
5
6
8
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