Math, asked by RahulPourally, 1 year ago

if the sum of first 7th term of an AP is 119 and that of the first 17th term is 714. find the sum of its nth term.

Answers

Answered by Jeewa

0

(a+6d)=119;
(a+16d)=714;
10d=595;
d=119/2;
a=(-476);
Hope answer helps you....
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