" Show that the scoucmoe defined by "a_(n)=2n^(2)+1" 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)=3n^(2)-5 is not an A.P.

Show that the sequence defined by a_(n)=2n^(2)+1 is not an Adot 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=3n^2-5 is not an A.P.

Show that the sequence defined by a_(n)=(2)/(3^(n)),n in N is a G.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 described by a_(n)=(1)/(3)n+(1)/(6) is 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 .