Math, asked by wwwstefensatish444, 1 year ago

If the sum of first 15 terms of an A.P is 225 and the sum of first 21 terms an A.P is 441 find sum of first n terms and also A.P?

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Answered by ananthram003

26

hope this will help u.

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ananthram003: pls make me brainliest

Answered by arpitaAru

7

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Hope you like and understand........

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