Find the sum of series upto n terms `((2n+1)/(2n-1))+3((2n+1)/(2n-1))^2+5((2n+1)/(2n-1))^3+...`

Find the sum of the series upto n terms ((2n+1)/(2n-1))+3((2n+1)/(2n-1))^2+5((2n+1)/(2n-1))^3+.....

Find the sum up to n terms :n.1+(n-1).2+(n-2)3+(n-3).4+....

Find the sum of the series: 1. n+2.(n-1)+3.(n-2)++(n-1). 2+n .1.

Find the sum of the series: 1. n+2.(n-1)+3.(n-2)++(n-1). 2+n .1.

Find the sum to n terms : (1)/(2) + (3)/(2^(2)) + (5)/(2^(3)) +…+ (2n-1)/(2^(n))

Find the sum of the series 1.n+2(n-1)+3(n-2)+.....n.1 .

Find the sum of the series 1xx n+2(n-1)+3xx(n-2)+...+(n-1)xx2+n xx1

Find the sum of n terms of the series (1)/(2*4)+(1)/(4*6)+... (A) (n)/(n+1) (B) (n)/(4(n+1)) (C) (1)/((2n)(2n+2))( D) )(1)/(2^(n)(2^(n)+2))

Find the sum to n terms of the series whose n^(th) term is (2n-1)^2

The sum of the series 1^2+3^2+5^2+ddotto\ n terms is a. (n(n+1)(2n+1))/2 b. (n(2n-1)(2n+1))/3 c. ((n-1)^2(2n+1))/6 d. ((2n+1)^3)/3