If the sum of first p terms of an AP is `ap^2+bp` find the common difference

If the sum of first p terms of an AP is (ap^(2) +bp) , find its common difference.

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

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

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

In an A.P, the first term is 5 and the sum of the first two terms is 15/2 . (i) Find the common difference

The 13^(th) term of an A.P is 3 and the sum of first 13 terms is 234 . Find the common difference and the sum of first 21 terms .

In an A.P, the first term is 2 and the sum of the first two terms is 5 . (i) Find the common difference

The first term of an A.P is 2 and last term is 59. Find the common difference if sum of all terms is 610 .

The sum of a series of terms in A.P. is 128. If the first term is 2 and the last term is 14, find the common difference.