Are all statements that are true.

(a) log(A)/log(B)=In(A)/In(B)
(b) In log[b](N), the exponent is N.
(c)If 2log[3](81)=8, then log[3](6.561)=8
(d)log[b](N) negative when N is negative.
(e)In(x/2)=In(x)/2

only (a) is true