Math, asked by wwwstefensatish444, 10 months 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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