How to test whether $R^2 \geq c$ where $c \neq 0$?
105432
Formula for 95% confidence interval for $R^2$
77026
Proof with inequalities
104688
How can I prove that $x-{x^2\over2}<\ln(1+x)$
108995
Prove $|e^{i\theta} -1| \leq |\theta|$
125209
Prove $e^x - e^y \leq e |x-y|$ for $x$ belonging to $[0,1]$
67851
Does $|x|^p$ with $0<p<1$ satisfy the triangle inequality on $\mathbb{R}$?
62239
For a polynomial $p(z)$, prove there exist $R>0$, such that if $|z|=R$, then $|p(z)|\geq |a_n|R^n/2$
105047
Prove the inequality $|xy|\leq\frac{1}{2}(x^2+y^2)$
155864
Prove or disprove: if $y'=y-y^2$ and $y(0)=a$ where $00$
80920
Prove or disprove: For any $v\in\mathbb{R}^n, \|v\|_1\|v\|_\infty \leq \frac{1+\sqrt{n}}{2}\|v\|_2^2$
40650
Equation for testing if a point is inside a circle
156431
Testing for a vector of reals
77980
How to check the real analyticity of a function?
142785
How can I prove Holder inequality for $0<p<1$?
150502
If $f(0) = 0$ and $|f'(x)|\leq |f(x)|$ for all $x\in\mathbb{R}$ then $f\equiv 0$
77493
Classic $c_r$-inequality in $l_r$ space: $E(|X+Y|^r)\leq c_r[E(|X|^r)+E(|Y|^r)]$
95266
Show $|t|\leq \pi \Rightarrow |e^{it}-1|\geq 2|t|/ \pi$