Math, asked by vishalrajput66, 1 year ago

if the sum of seventh term of an A.P
is 49 and that of the 17 term is 289 find the sum of n terms


StudiesHelper48: excuse me, it is not sum of seventh term. It is sum of seven terms and seventeen terms.
sri1407: but ur answer is also that only
sri1407: my school book question is this
sri1407: i think he typed the question wrong
StudiesHelper48: its ok

Answers

Answered by sri1407
8
i hope it would be helpful

pls pls pls....

mark me as brain list...
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Answered by StudiesHelper48
5
Hi, Kindly refer the attachment.


Hope it helps.
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