If `S_n = 5n^2 + 3n`, then find its `n^(th)` term.

If s_(n), the sum of first n terms of an A.P.is given by S_(n)=5n^(2)+3n, then find its n^(th) term.

If s_(n) the sum of first n terms of an A.P, is given by s_(n)=5n^(2)+3n, then find its n^(th) terms.

If the sum of n terms of an AP is n^2-2n then find its n^(th) term

If S_(n) the sum of first n terms of an AP is given by 2n^(2)+n, then find its nth term.

If the sum of n terms of an A.P. is given by S_(n) =(3n^(2)+2n) , find its n^(th) term.

The sum of n terms of an AP is 3n^2+5n ,then find its 16th term.

If the sum of the first n terms of an AP is given by S_n=3n^2-n then find its nth terms, first term and common difference

If S_(n) = 5n^(2) + 3n, then 2^(nd) term is …………… .

(a) The sum of 'n' terms of a progression is n(n + 1). Prove that it is an A..P. Also find its 10th term. (b) The sum of 'n' terms of a progression is (3n^(2) - 5n). Prove that it is an A.P. (c) If the sum of n terms of a series is (5n^(2) + 3n) then find its first five terms.