defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Sequences and Series Special Series
The nth term of the series \(\frac {1^3}{1} + \frac {1^3 + 3^3}{1 + 3} + \frac {1^3 + 3^3 + 5^3}{1 + 3 + 5}+...\) will be:
1
\(\rm \frac {n^3 + 1}{9}\)
2
\(\rm \frac {n^2 + 2n}{2n + 1}\)
3
\(\rm \frac {3n^3 + 1}{n + 1}\)
4
None of the above