Sum of n terms of the series (2n-1)+2(2n...

Sum of `n` terms of the series `(2n-1)+2(2n-3)+3(2n-5)+...` is

A

`(n + 1)(n + 2)(n + 3) // 6`

B

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

C

`n(n + 1)(2n + 3)`

D

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

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The correct Answer is:

D

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