- #1
mercedesbenz
- 15
- 0
Let [tex]u_n[/tex] be a sequence of positive real number.
If [tex]\sum_{n=1}^{\infty}u_n^{2}[/tex] finite + (condition??) then [tex]\sum_{n=1}^{\infty}u_n[/tex] finite.
I want to find the condition.Please help me.
If [tex]\sum_{n=1}^{\infty}u_n^{2}[/tex] finite + (condition??) then [tex]\sum_{n=1}^{\infty}u_n[/tex] finite.
I want to find the condition.Please help me.