If the sum of first 7 terms of ap.Is 49 and that of furst 17 term is 289,find the sum of the first n term?
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Hlooo. Hope it will help you..
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please hit the thanks button and remark as brainliest answer
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rishi7899:
Yes I am solving RD Sharma questions
but many stodent say that it is not necessary
only ncert is enough
and many teachers also say this
But for security I make RD Sharma also I can't take any risk
ok
Ok bye I am going to study physics the last chapter
ok bro
ok
If you have any problem in maths you can ask me at 10 a.m.
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