- #1
jdinatale
- 155
- 0
That seems like a valid argument for showing that [itex]\phi_n[/itex] converges to f, but I'm not sure how to show it's increasing. And as far [itex]\psi_n[/itex], converges, well I imagine that I'd use a similar argument, but I'm still not sure how to show it's decreasing.