Math, asked by SHONEJOSEPH1715D, 8 months ago

Sum of first 4 terms and the sum of first 9 terms of an arithmetic sequence are72.Write the fifth term.

Answers

Answered by Anonymous

Answer:

All we have to do now is to apply the formula sn=n2(2a+(n−1)d)) to determine the sum of the sequence. Thus, the sum of the first fifteen terms in the arithmetic sequence is 975

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