How many terms of the sequence 13,11,9 ….. make the sum 45? Explain the answer.
Asked by Topperlearning User | 22nd Sep, 2017, 07:30: AM
Let the sum of first n terms be 45. Then,
Sn = 45
Hence, the sum of first 5 or the first 9 terms is 45.
Answered by | 22nd Sep, 2017, 09:30: AM
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