Math, asked by Chandrahabanakuppe, 11 months ago

In an AP , if the 10th term of an AP is 81 and the sum of first 10 terms is 120 find the n term

Answers

Answered by artistvikash1

1

Answer:

a+9d=81

and

10/2×{2a+9d}=120

2a+9d=24

a+a+9d=24

a=24-81

a=-57

d=138/9

ok

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