If the sum of nth terms of an AP is `n^2+4n` then 15th term will be

If the sum of terms of an AP is 2n^(2)+5n, then the n^(th) term will be

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

If the sum of n terms of an A.P is 2n+3n^(2) , find the r^(th) term

If the sum of n terms of an A.P is (4n^(2)-3n)/(4) then ,n^(th) term of the A.P

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

If sum of n terms of an AP is 3n^2+n . Find its 10^(th) term.

If sum of n terms of an A.P. is 4n^(2) +7n , find the 15^(th) term.

If for every n in N , sum to n terms of an A.P. is 5n^(2)+7n then is 10th term is

The sum of first n terms of an A.P. is 5n^(2) + 3n . If the nth term is 168, find the value of n. Also find the 20th term of the A.P.