Ononot — In an arithmetic progression, the sum of the first n terms i

Guest Session: 1 Question Remaining. Create Account to save progress.

Arithmetic Sequenceshard

0:00.0

In an arithmetic progression, the sum of the first $n$ terms is $S_n$ . If $S_n = k n^2$ , find the ratio $\frac{a_n}{S_n}$ .