Math, asked by prapradee879, 1 year ago

3rd term of an ap is 1 and 6th term is- 11.Find determine its 15th term and rth term

Answers

Answered by ash7958

10

a+2d=1, a+5d=-11 by solving we get,
d=-4 and a=9 then 15th term will be a+14d =
-47.

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