Math, asked by lalitiwari75, 1 year ago

3/1²×2²+5/2²×3²+7/3²×4²+... find the sum of series

Answers

Answered by adityapandey14
6

Answer:

Step-by-step explanation:

3=2²-1²

5=3²-2²

...so now vn method can be applied

Answered by sayanmajhi05
0

Step-by-step explanation:

to find the sum put the value of nth term

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