Math, asked by mansirawat082, 10 months ago

Sum up the following series upto n terms
2.3^2 + 5.4^2 + 8.5^2.........

Answers

Answered by SaiVigneshBatchu

1

Step-by-step explanation:

n(n+1)(2n+1)/6

Use this formula

n indicates number of terms

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