" 15.In an AP,the sum of first n terms is "(13n^(2))/(2)+(13n)/(2)" .Find the "25" th term "

In an A.P.the sum of first n terms is ((3n)^(2))/(2)+(13n)/(2). Find the 25^(th) term.

In an A.P.the sum of first n terms is (3n^(2))/(2)+(13)/(2)n. Find its 25th term.

In an A.P.the sum of first n terms is (3n^(2))/(2)+(5n)/(2). Find its 25 th term.

In an A.P., the sum of first n terms is (3n^2)/2+(13)/2n . Find its 25 t h term.

In an A.P., the sum of first n terms is (3n^2)/2+(5n)/2dot Find its 25th term.

In an A.P.,the sum of first n terms is 5n^2/2+3n/2 .Find its 20th term.

(i) The sum of the first n terms of an AP is ((5n^(2))/(2) + (3n)/(2)) . Find the nth term and the 20th term of this AP. (ii) The sum of the first n terms of an AP is ((3n^(2))/(2) + (5n)/(2)). Find its nth term and the 25th term.

In an A.P.,the sum of first n terms is 3n^2/2+5n/2 .Find its 25th term.Also determine its first term and C.D.

In an A.P., th e sum of its first n terms is 6n-n^(2). Find its 25 th term.