Prove that no matter what the real numbers a and b are, the sequence with nth term a+nb is always in A.P. What is the common difference?

Prove that no matter what the real numbers a and b are,the sequence with nth term a+nb is always an AP. What is the common difference?

Prove that no matter what the real numbers a and b are, the sequence with n t h term a+n b is always an AdotPdot What is the common difference?

The nth term of an A.P. is 6n+2 . Find the common difference. (x in N)

The nth term of an AP is 5n+ 2. Find the common difference.

The nth term of an AP is (3n +5). Find its common difference.

The nth term of an AP is (7-4n). Find its common difference.

l, m, n are three numbers in G.P., a is the first term of an A.P., whose l th, mth and nth terms are in H.P. If d is the common difference of the A.P.. prove that a = (m + 1)d.

What is the n^(th) term of an A.P. whose first term is 'a' and common difference is 'd'?

If p^(th) term of an AP is q, and its q^(th) term is p, then what is the common difference?

What is the sum of first n terms of an A.P. whose first term is 'a' and common difference is 'd'?