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^(t h)` 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 S_n the sum of first n terms of an AP is given by 2n^2+n , then find its nth term.

If S_(n) the sum of first n terms of an A.P. is given by Sn = 3n^(2) - 4n , find the 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.

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 first n terms of an A.P. is given by S=3n^(2)+4n. Determine the A.P. and the n^(th) 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

The sum of first n terms of an AP is given by S_(n)=2n^(2)+3n. Find the sixteenth term of the AP.