Question:
If the sum of the first \(n\) terms of an A.P. is \(3n^2 + 5n\), then the 10th term is:
If the sum of the first \(n\) terms of an A.P. is \(3n^2 + 5n\), then the 10th term is:
Show Hint
Nth term of AP can be found from sums.
Updated On: Jan 5, 2026
- 65
- 68
- 71
- 74
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The Correct Option is B
Solution and Explanation
\[
a_n = S_n - S_{n-1} = 3(2n-1)+5 = 6n+2
\]
\[
a_{10}=6(10)+2=68
\]
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