Find the sum of first 7 terms of an AP is 49 and that of 17 terms is 289 then find the sun f first n terms .
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Hey mate heres ur answer
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chinmya79:
Hey my name also neha
hello neha
hey
where u live neha
nd in which class r u
I m live in Odisha nd i have read in 10 standard
Hey
cool. this answer is perfect!!
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