If the sum of n terms of an A.P is cn (n-1)where `c ne 0` then the sum of the squares of these terms is

If the sum of n terms of an A.P is cn (n-1) where c ne 0 then find the sum of the squares of these terms.

If the sum of n terms of an A.P is cn (n-1) where c ne 0 then find the sum of the squares of these terms.

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

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

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

If the sum of first n terms of an A.P is cn^(2) and the sum of squares of these n terms is (n(pn^(2)-1)c^(2))/(s) then the value of (s)/(p) is

If the sum of first n terms of an AP is cn^(2) , then the sum of squares of these n terms is