Math, asked by manhaskunwar8, 10 months ago

34. Find the sum to n terms of the series
3+15+35+63+............

Answers

Answered by ramashanker999014874

1

Answer:

a = 3. d = 15-3 =12 an =a+(n-1)d. = 3+(n-1)12 = 3+12n -12 = 12n-9

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