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Statement - I :Mean of square of first n...

Statement - I :Mean of square of first n natural numbers is `((n+1)(2n+1))/(6)`
Statement - II : `Sigman=(n(n+1))/(2)`

A

Statement - I is true, Statement - II is true and Statement - II is a correct explanation for Statement - I.

B

Statement - I is true, Statement-II is true but Statement - II is not a correct expalnation of Statement - I.

C

Statement - I is true, Statement -II is false.

D

Statement -I is false, Statement -II is true.

Text Solution

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The correct Answer is:
B
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