Math, asked by imazraza687, 10 months ago

which term of the A.P. 3, 10, 17 ... will be 84 more than its 13th term?

Answers

Answered by samarsparsh18

5

Answer:

a=3,d=10-3=7

T13=3+12×7=3+84=87

Tn=87+84=171=3+(n-1)×7

171-3=7n-7

7n=175

n=175/7=25

The term 84 more than 13th term of following AP is 25

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