Math, asked by likithasowjbg, 1 day ago

find the sum of 25 terms of an A.Pwhose nth term is 2n+5

Answers

Answered by Sujit14375

Answer:

19 terms whose nth term is (2n+1)/3. Let the first term and common difference of an A.P. be a and d respectively. Hence, Sum of 25 terms of an A.P. is 775.

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