Show that the sequence described by `a_(n)=(1)/(3)n+(1)/(6)` is an A.P.

Show that the sequence defined by a_(n)=3n^(2)-5 is not an A.P.

Show that the sequence defined by a_(n)=2n^(2)+1 is not an A.P.

Show that the sequence defined by a_(n) = m + (2n - 1) d, where m and d are constants , is an A.P. Find its common difference .

Show that the sequence defined by a_(n) = m + (2n - 1)d , where m and d are constants , is an A.P. Find its common difference .

Show that the sequence defined by a_n=2n^2+1 is not an A.P.

Is the sequence defined by a_(n) = 3n^(2) + 2 an A.P. ?

Is the sequence defined by a_(n) = 3n^(2) + 2 an A.P. ?

Show that the sequence whose n^(th) term is 2n^2 + n + 1 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.

Let sequence by defined by a_(1)=3,a_(n)=3a_(n-1)+1 for all n>1