The nth term of a sequence is given by `a_n=2n+7.` Show that it is an A.P. Also, find its 7th term.

The nth term of a sequence is given by a_(n)=2n+7 .Show that it is an A.P.Also,find its 7 th term.

The n^(th) term of a sequence is given by T_n = 2n + 7. Show that it is an A.P. Also, find its 7^(th) term.

The nth term of a sequence is given by a_n=2n^2+n+1. Show that it is not an A.P.

The nth term of a sequence is given by a_(n)=2n^(2)+n+1. Show that it is not an A.P.

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.

A sequence is given by a_n=2-3n .Prove that it is an AP.Find its 6th term.

The nth term of a sequence is 8 -5n. Show that the sequence is an A.P.

If the sum of the first n terms of a sequence is 2(7^(n)-1)//3 show that it is a G.P. Also , find its first term and common ratio.

The n^(th) term of a sequence is given by a_n=4n+7 Is the sequence an A.P?. If yes, find the common difference of the A.P

The nth term of a progression is 2n+3. Show that it is an A.P. Also find is 10th term.