Using definition of derivative to find $\frac{d}{dx} (e^x)$ -- circular reasoning?
11385
Using the Limit definition to find the derivative of $e^x$
85085
Simplifying the derivative of $|x|$
59911
Looking for help with a proof that n-th derivative of $e^\frac{-1}{x^2} = 0$ for $x=0$.
158681
How to show that $e^x$ is differentiable?
40549
How to proof the the derivative of $x^2$ is $2x$?
124169
"What if" math joke: the derivative of $\ln(x)^e$
69378
The derivative of $x!$ and its continuity
22313
How should I calculate the $n$th derivative of $f(x)=x^x$?
23975
What is the practical difference between a differential and a derivative?
111674
Stuck calculating the derivative of $f(x)=\log_{10}{\frac{x}{1+\sqrt{5-x^2}}}$.
96112
Differentiating $ \left( 1 - \frac {1}{x} \right)^x $
95637
Justifying Calculations on $f(n)=\frac{1}{2 \pi}\int_{-\pi}^{\pi}\theta e^{-in \theta} d \theta$
87613
Infinitely differentiable functions: how to prove that $e^\frac{1}{x^2-1}$ has derivative of any order?
100004
Differentiating $e^x$ from first principles using limits.
36990
Notation of the second derivative - Where does the d go?
75216
What is the derivative of this?
60321
Use the definition of derivative to prove $\lim_{x\to 0}\ln(x+1)/x =1$