" 72.Find the sum of the infinite series "1+2(1-(1)/(n))+3(1-(1)/(n))^(2)+........" is "

The sum to the infinite series,1+2(1-(1)/(n))+3(1-(1)/(n))^(2)+...... is

The sum to infinity of the series 1+2(1-(1)/(n))+3(1-(1)/(n))^(2)+ . . .. . . . , is

The sum to infinity of the series 1+2(1-(1)/(n))+3(1-(1)/(n))^(2)+ . . .. . . . , is (A) n^(2) (B) n(n+1) (C) n(1+(1)/(n))^(2) (D)None of these

The sum to infinity of the series 1+2(1-(1)/(n))+3(1-(1)/(n))^(2)+ . . .. . . . , is (A) n^(2) (B) n(n+1) (C) n(1+(1)/(n))^(2) (D)None of these

The sum of n terms of the series 1+2 (1 + (1)/(n)) +3 (1+ (1)/(n))^(2) + ….is

Find the sum of the infinite series. 1/(1.2)+1/(2.3)+1/(3.4)+...

The sum to infinity of the series : 1+2 ( 1-(1)/( n )) + 3( 1 - ( 1)/( n ))^(2) +"...." is :

The sum of the series 1+2(1+(1)/(n))+3(1+(1)/(n))^(2)+....oo is given by

Find the sum of the infinite series. 1/(1.2.3)+1/(2.3.4)+1/(3.4.5)+...