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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.
Find the sum of first 15 terms of an AP whose nth term is 9-5n.
Dear student, 1st term is 9-5=4 2nd term=-1 3rd term=-6 So on Now find the sum
Dear student,
1st term is 9-5=4
2nd term=-1
3rd term=-6
So on
Now find the sum
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