Question

I understand the conditions under which a function is differentiable.

Is there a function, let's say *f*(*x*), for which we cannot find a derivative?

If so, what is an example of such a function?

Thank you in advance.

Step 1

It's impossible to find a function for which we can't find the derivative. Mathematically you can find a derivative for every function. But the derivative may not exist or may be infinite or the f...

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Sorry about that. What wasn’t helpful?