A weird relation for exponential function, is it really correct?
22303
How do I prove that $f(x)f(y)=f(x+y)$ implies that $f(x)=e^{cx}$, assuming f is continuous and not zero?
32407
Prove $\exp(x+y) = \exp(x) \exp(y)$ for $\exp(x) = \sum_{n=0}^\infty \frac {x^n}{n!}$
67588
Why does $|e^{ix}|^2 = 1$?
25652
Intuitive explanation for $\mathbb{E}X= \int_0^\infty 1-F(x) \, dx$
109295
Proving $1-\exp(-4x^2/ \pi) \ge \text{erf}(x)^2$
148556
Could you explain why $\frac{d}{dx} e^x = e^x$ "intuitively"?
19628
What is wrong with this fake proof $e^i = 1$?
26677
thoughts about $f(f(x))=e^x$
107572
How does the derivative with respect to the complex conjugate even make sense?
122341
Exponential of a Differential Operator
50451
The linear dependence of exponential functions
138490
An inequality with a weird condition
35454
Is it correct to write $\Bbb E[X]$ or $\Bbb E_{\theta}[X]$?
5350
Explain why $E(|X|^p)=p\int_{0}^{\infty}y^{p-1}P(|X|>y) dy$
20359
Proof of radius of convergence exponential function
140459
Why is $\left(e^{2\pi i}\right)^i \neq e^{-2 \pi}$?
79024
the derivation of E(X|X)