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If 1 + (1 + 2)/2 + (1 + 2 + 3)/3 + ........

If `1 + (1 + 2)/2 + (1 + 2 + 3)/3 + ......` to `n` terms is `s`, then `s` is equal to

A

`(n(n + 3))/4`

B

`(n(n + 2))/4`

C

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

D

`n^(2)`

Text Solution

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The correct Answer is:
A
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