3/1²×2²+5/2²×3²+7/3²×4²+... find the sum of series
Answers
Answered by
6
Answer:
Step-by-step explanation:
3=2²-1²
5=3²-2²
...so now vn method can be applied
Answered by
0
Step-by-step explanation:
to find the sum put the value of nth term
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