If log12 27=a, then log6 16 is
3-a/4(3+a)
3+a/4(3-a)
4(3+a)/(3-a)
4(3-a)/(3+a)
Correct Answer : D
If log8 (X2+X)-log5(x+1)=2, then the value of x is
7, 8, 18, 57, 228, 1165, 6996
(logb a X logc b X loga c) is equal to