In an A.P., the sum of first n terms is \frac{n}{2}(3 n+5). Find the 25^{\text{th }} term of the A.P.

CBSE Class 10 Math 2022 Outside Delhi Set 2 Paper (Term II)

Question : 5 of 5

Marks: +1, -0

In an A.P., the sum of first

n

terms is

\;{n}/{2}(3 n+5)

. Find the

25^{\;\text "th "\;}

term of the A.P.

Solution:

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