A function f(x) is given by f(x)= 5^x 5^x+5 , then the sum of the series f ( 1 20 )+f ( 2 20 )+f ( 3 20 )+ f...

Question

A function f(x) is given by f(x)= 5^x 5^x+5 , then the sum of the series f ( 1 20 )+f ( 2 20 )+f ( 3 20 )+ f ( 39 20 ) is equal to :

Accepted Answer

(D)

JEE Main 2021 Mathematics question