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The arithmetic mean of the square of the...

The arithmetic mean of the square of the first n natural number is.
(a)`(n(n+1)(2n+1))/(6)`
(b)`(n(n+1)(2n+1))/(2)`
(c)`((n+1)(2n+1))/(6)`
(d)`((n+1)(2n+1))/(3)`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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