If n is any positive number, then 1/2.4+1/4.6+1/6.8+......+1/2k(2k+2)=

E

Editor

Sep 18, 2022

If n is any positive number, then 1/2.4+1/4.6+1/6.8+......+1/2k(2k+2)=

Difficulty: Easy

A:

n/2n+1

B:

n/4(n+1)

C:

\frac{n^{2}(n+1){2}}{4}

D:

\frac{2n^{2}+4}{4}

ID: 63273db9ca83163ac3a1165b