EDB — 1D1

Exercises

1. [1D1]Prerequisites:[0T5]↺↻.Let \(f, g : ℝ → ℝ\) be two functions that can be differentiated at every point. Show that \(\max \{ f, g\} \) is differentiable, except on a set that is at most countable.

   Solution 1

   [1D2]↺↻