[" The sum of first 'n' terms of an AP is "],[(3n^(2)+6n)" .The common difference of the "],[" AP is "]

The sum of first n terms of an A.P. is 5n ^(2)+ 4n, its common difference is :

The sum of first n terms of an A.P. is 5n ^(2)+ 4n, its common difference is :

If the sum of n terms of an A.P. is 3n + 2n^(2) , find the common difference

The sum of first n terms of an AP is given by S_n=2n^2 + 3n . Find the common difference of the AP.

The sum to n terms of an A.P. is n^(2) . Find the common difference.

The sum of n terms of an A.P is n^2 .Find the common difference.

If the sum of n terms of an AP is given by S_(n)=3n+2n^(2) then common difference of the AP is

If S_(n) =nP +1/2 n (n-1) Q, where S_(n) is the sum of first n terms of an A.P. then the common difference of the A.P. will be-

If the sum of n terms of an AP is given by S_(n) = 3n+ 2n^(2) , then the common difference of the AP is