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Find the sum of first 15 terms of an AP whose nth term is 9-5n.

Find the sum of first 15 terms of an AP whose nth term is 9-5n.

Grade:12th Pass

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
11 years ago

Dear student,

1st term is 9-5=4

2nd term=-1

3rd term=-6

So on

Now find the sum

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