Find the `1+ 1//2+1/4+1/8+… to n `terms

Find 1+1/2+1/4+1/8+ …. Upto oo .

Find the sum of indicated terms of each of the following geometric progression: 1, -1/2, 1/4, - 1/8, .., n terms

Find the sum of the following series : (1)/(4) + (1)/(2) + 1 + … to n terms

Find the sum of: 24 terms and n terms of 2 (1)/(2) , 3 (1)/(3) , 4 (1)/(6) ,5 ,......,

Find the nth term and the sum to n terms of the series 1.2+ 2.3 +3.4 + ...

Find the nth terms and the sum to n term of the series : 1.4.7+2.5.8+3.6.9 + ...

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 nth terms and the sum to n term of the series : 1^(2)+(1^(2)+2^(2))+(1^(2)+2^(2)+3^(2))+...

Find the sum of each of the series : 4+2 +1 + (1)/(2) +(1)/(4) + ... to 10 terms

Find the nth term sum of n terms and sum to infinity terms of the series (1)/(2.5)+(1)/(5.8)+ (1)/(8.11)+ ...