Reference for $\text{Var}(X)\le (b-a)^2/4$
4130
Variance of a bounded random variable
12092
When can one write $a=v \cdot dv/dx$?
130854
Constructing example showing $\mathbb{E}(X^{-1})=(\mathbb{E}(X))^{-1}$
155655
Applying MVT and IVT (?) to show something about f'''? (edit: actually, Taylor's Theorem using Lagrange remainder)
151400
Closed-form of $\int_0^1 \operatorname{Li}_p(x) \, dx$
93521
Why is the expected value (mean) of a variable written using square brackets?
74611
$\operatorname{Adj} (\mathbf I_n x-\mathbf A)$ when $\operatorname{rank}(\mathbf A)\le n-2$
132532
Things around $(\forall x)(\Psi \Rightarrow \Phi) \Leftrightarrow ((\exists z)\Psi) \Rightarrow \Phi)$
41115
$\text{Evaluate:} \lim_{b \to 1^+} \int_1^b \frac{dx}{\sqrt{x(x-1)(b-x)}}$
52642
Show that $\text{C}/c \cong (c/(\text{C}^{\text{op}}))^{\text{op}}$
71437
How is the derivative of $\textrm{Trace}\left\{ X^T A X B\right\}$ with respect to $X$ equal to $AXB + A^TXB^T$?
76297
What is the inverse of the $\mbox{vec}$ operator?
75009
$A = \bigcap_{\mathfrak{p} \in \text{Spec(A)}} A_{\mathfrak{p}} = \bigcap_{\mathfrak{m} \in \text{MaxSpec(A)}} A_{\mathfrak{m}}$
42861
Inverse of sum of exponential random variables (mean and variance)
69975
Is there an analogue of the Variables command for general expressions?
47211
Does $\varphi(x)\le\int_0^x\varphi(t)dt$ for all $x\in[0,\infty)$ imply $\varphi\equiv0$.
76685
Determine $\text{Aut}(S)$ where $S = \mathbb{Q}[x]/(x^2)$