The nth term of a sequence is `a_(n)=2n+3`. Find its first four terms.

The nth term of a sequence is a_(n)=n^(2)+5 . Find its first three terms.

The nth term of a sequence is a_(n)=n^(2)+5 . Find its first three terms.

The nth term of a sequence is (2n-3), find its fifteenth term.

The nth term of a sequence in defined as follows. Find the first four terms : (i) a_(n)=3n+1 " " (ii) a_(n)=n^(2)+3 " " (iii) a_(n)=n(n+1) " " (iv) a_(n)=n+(1)/(n) " " (v) a_(n)=3^(n)

The nth term of a sequence in defined as follows. Find the first four terms : (i) a_(n)=3n+1 " " (ii) a_(n)=n^(2)+3 " " (iii) a_(n)=n(n+1) " " (iv) a_(n)=n+(1)/(n) " " (v) a_(n)=3^(n)

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.

If the nth term of the sequence is a_ n =4n -3 then find 17th term

Following are the nth terms of certain sequences. Determine first four terms in each case. T_n=(2n)^2

Following are the nth terms of certain sequences. Determine first four terms in each case. T_n=3n+1

Following are the nth terms of certain sequences. Determine first four terms in each case. T_n= 1+ (-1)^n