Math, asked by sureshkumarsah6016, 1 year ago

Find sum of the series of first 19 terms 3/4+5/36+7/144+9/400+???..

Answers

Answered by arpita2001

9

Common difference (d) = 2nd term - 1st term.
We put 19 in place of n for our formula of sum to nth terms.

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