[" 2.The "n" th 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 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 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 7th 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 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.

The n^(th) term of a sequence is given by a_n=4n+7 List the first 4 terms of the sequence

The sum of n terms of a series is n(n+1) . Prove that it is an A.P. also find its 10th term.

The sum of n terms of a series is n(n+1) . Prove that it is an A.P. also find its 10th term.

The general term of a sequence is given by a_(n)=-4n+15. Is the sequence an Avec P. If so,find its 15th term and the common difference.

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.