Problem 1: let f : be a continuous differentiable function, such that find f if 😀 Thank you!!

**Solution**

We know that

so

then

From this we get:

So

The continuity of implies . That is,

for all . From we obtain , that is

Thank you 😀

Problem 1: let f : be a continuous differentiable function, such that find f if 😀 Thank you!!

**Solution**

We know that

so

then

From this we get:

So

The continuity of implies . That is,

for all . From we obtain , that is

Thank you 😀