1.

If the sum of first n terms of an A.P. is cn^(2) then the sum of squares of these n terms is

Answer»


`(n(4n^(2)+1)C^(2))/(3)`
`(n(4n^(2)-1)c^(2))/(3)`
`(n(4n^(2)+1)c^(2))/(6)`

ANSWER :A::B::C::D


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