Is there a "one-line" proof of $x<y\Rightarrow x^n<y^n$ (for $n$ an odd natural number)?

Solve system of simultaneous equations in $3$ variables: $x+y+xy=19$, $y+z+yz=11$, $z+x+zx=14$

Derivative of $\ln (z), z\in\mathbb{C}$

The function $f (x) = f \left (\frac x2 \right ) + f \left (\frac x2 + \frac 12\right)$

Why isn't every $\mathcal O_X$-module quasi-coherent?

Determinant of a block matrix including non-square matrices

An example that a 2D shape with its centre of mass on its boundary

Prove that $f(x)=8$ for all natural numbers $x\ge{8}$

How long to do math each day?

Is geodesic distance equivalent to "norm distance" in $SL_n(\mathbb{R})$?

Prove that zero multiplied by zero is equal to zero.

Points in the boundary of a compact set $K\subset\mathbb{R}^2$ reachable by a path in $K^c$

How does one refute this ultrafinitist argument?

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