Find the sum to n terms of the series whose n^th terms is given by n² + 2ⁿ

Open in App

Solution

a_n = n² + 2ⁿ

Consider

The above series 2, 2², 2³, … is a G.P. with both the first term and common ratio equal to 2.

Therefore, from (1) and (2), we obtain

Suggest Corrections

Similar questions

Find the sum to n terms of the series whose nth term is given by

$n^{2} + 2^{n}$

n

n t h

n^{2} + 2^{n}

n

n^{t h}

{(2 n - 1)}^{2}

Find the sum to n terms of the series whose n^th terms is given by (2n – 1)²

n

n

n^{2} + 2^{n}

Join BYJU'S Learning Program