Math, asked by shrutijain5122, 1 year ago

If tn = 3 + 4n then find the

a.P. And hence find the sum of its first 15 terms.

Answers

Answered by nilamverma657patq0n

2

Hey friend, Here is your answer-
Sn = ( t1 + tn )............ (formula )
S15 = (

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