" (A) "10^(2)+13^(2)+16^(2)+......" upto "10" terms "

The sum of the series (2)^(2)+2(4)^(2)+3(6)^(2)+.... upto 10 terms is

1^(2) + 3^(2) + 5^(2) + …. upto n terms =

If alpha = 1^2 4^2 8^2 13^2 ........ upto 10 terms and beta = sum_(N=1)^(10) N^4 such that 4alpha - beta = 55 k 40 , then find k.

The sum of the series 2^(2) + 2(4^(2)) + 3(6^(2)) + ….upto 10 terms is

2+ 3.2 + 4.2^(2) + …... upto n terms =

Find the value of 1 ^(3) + 2 ^(3) + 3 ^(3) + ...+ upto 10th terms.

77.The sum of the series 1.3^(2)+2.5^(2)+3.7^(2)+.... upto 25 terms

The sum of the series: 1+(1)/(1+2)+(1)/(1+2+3)+...... upto 10 terms is :

The sum of the series (2)^2+2(4)^2+3(6)^2+.... upto 10 terms is

3/(1^2 2^2)+5/(2^2 3^2)+7/(3^2 4^2)+ . . . upto 10th term