Advertisements
Advertisements
Question
Find the sum to n terms of the series 3 × 12 + 5 × 22 + 7 × 32 + …
Advertisements
Solution
The given series is 3 ×12 + 5 × 22 + 7 × 32 + …
nth term, an = ( 2n + 1) n2 = 2n3 + n2

shaalaa.com
Is there an error in this question or solution?
