New posts in Solution Verification

A possible solution to $\sqrt {5-x}=5-x^2$ (without taking square from both sides)

Finding the triangle with the maximum area with a given perimeter

Questionable Proof in Visual Complex Analysis

If you draw 26 cards from 52 cards, what is the probability that you get 4 kings?

For $n\ge 1$, define $a_n=1+\frac{1}{2}+\frac{1}{3}+\cdots+\frac{1}{n}-\log n$. Prove that $\lim_{n\to\infty} a_n$ exists.

$a+b \mid ab$ from CMO 1996

Combinatorics counting problem

Is $\sin(\alpha)=\frac{\tan(\alpha)}{\sqrt{1+\tan^2(\alpha)}}$ a true statment?

Fourier transform of the regular tempered distributions induced by $x^\alpha$, $\sin(\langle a, x \rangle_{\mathbb R^n})$, and $\mathbb 1_{[-1,1]}$

Is this a valid proof that the harmonic series diverges?