Problem

Let $S_{n}$ denotes the sum of first $0$ terms of an $A.P$ If
$\dfrac {S_{5n}} {S_{n}}=15,$ then the value of $\dfrac {S_{3n}} {S_{n}}$ is

10th-13th grade

Other

Search count: 108

Solution

Qanda teacher - Chris

Student

Thanks

Still don't get it?

Ask this question to Qanda teacher