[" Find the "r^(" th ")" term of the AP,the sum of whose "],[" first "n" terms is "(3n^(2)+2n)" ."]

Find the rth term of an AP, the sum of whose first n terms is (3n^(2) +2n)

Find the rth term of an A.P., the sum of whose first n terms is 3n^2+4n

Find the rth term of an A.P., the sum of whose first n terms is 2n+3n^2 .

Find te rth term of an AP sum of whose first n terms is 2n+3n^(2).

Find the rth term of an A.P., sum of whose first n terms is 2n + 3n^(2) .

Find the rth term of an AP sum of whose first n terms is 2n+3n^(2).

Find the rth term of an AP sum of whose first n terms is 2n+ 3n^(2)

If the n^(th) term of an AP be (2n-1) then the sum of its first n terms will be

(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.