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sequences and series question from special seriesfind the sum to n terms n2+2

Akshata , 8 Years ago
Grade 11
anser 1 Answers
Vijay Mukati

Last Activity: 8 Years ago

Dear Student,

Sum to n terms will be equivalent to
sum to n terms of (n2) + sum to n terms of (2)
= (n(n+1)(2n+1)/6) + 2n

Thanks.

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