[" [If "n" th term of a sequence is "2an+b," where "a,b" are constants,is this "],[" sequence an A.P.?] "]

If nth term of a sequences is 2n+b, wherea,b are constants,is the this sequence an A.P.?

If nth term of a sequences is 4n^(2)+1, find the sequence.Is this sequences at A.P.?

If the nth term of a sequence is an expressionof first degree in n,show that it is an A.P.

If the sum of the first n terms of a sequence is of the form An^2+ Bn , where A, B are constants independent of n, show that the sequence is an A.P. Is the converse true ? Justify your answer.

If the sum to n terms of a sequence be n^2+2n then prove that the sequence is an A.P.

If nth term of a sequences is 4n^2+1, find the sequence. Is this sequences at A.P.?

If the sum to n terms of a sequence be n^(2)+2n then prove tht the sequence is an A.P.

If the n^(th) term of a sequence is 100n + 10 the sequence is ………

The n^(th) term of a sequence is given by a_n=2n+7 . Prove that the. sequence is an A.P. Also find its common difference.