Let A_n = ( 3 4 ) - ( 3 4 )^2 + ( 3 4 )^3 - + (-1)^ n-1 ( 3 4 )^n and B_n = 1 - A_n. Then, the least odd...

Question

Let A_n = ( 3 4 ) - ( 3 4 )^2 + ( 3 4 )^3 - + (-1)^ n-1 ( 3 4 )^n and B_n = 1 - A_n. Then, the least odd natural number p, so that B_n > A_n, for all n p is -

Accepted Answer

(B)

JEE Main 2018 Mathematics question

Solution