Math, asked by ishanid64, 7 months ago

The sum of the first n terms of an AP is 5n^2+3n. If its mth term is 168, find the value of m. Also find the 20th term of AP.

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Answered by subhakunnath1980

1

Answer: m th term is 17

20th term =198

Step-by-step explanation:

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