If p - 1, p + 3, 3p - 1 are in A.P., then p is equal to:
-4
-2
2
4
Let p=limx→0+(1+tan2√x)12x then log p is equal to :
If X follows binomial distribution with parameters n,p with n=5,p(x=2)=9=p(x=3), then p=