Find the sum `1+2(1+1/50)+3(1+1/50)^(2)+…50` terms.

The sum of 50 terms of the series 1+2(1+1/(50))+3(1+1/(50))^2+ is given by 2500 b. 2550 c. 2450 d. none of these

If (1.05)^(50) = 11.658 then sum _(n = 1) ^(49) (1.05)^(n) equals

Find the sum 1+1/(1+2)+1/(1+2+3)++1/(1+2+3++n)dot

Find the sum of 1+3+5+…+ to 40 terms

Find the sum 1^2+(1^2+2^2)+(1^2+2^2+3^2)+ up to 22nd term.

Find the sum up to the 17^(th) term of the series (1^3)/(1) + (1^3 + 2^3)/(1+3) + (1^3 + 2^3 + 3^3)/(1+3+5)+ ….

Find the sum up to 20 terms. 1+1/2(1+2)+1/3(1+2+3)+1/4(1+2+3+4)+