List questions from rationalising-denominator | MathQA

Rationalizing an expression with different nth-roots in the denominator

Published on 11 Oct 2021 - 17:24

Rationalizing $\frac{\sqrt{1+\cos x}+\sqrt{1-\cos x}}{\sqrt{1+\cos x}-\sqrt{1-\cos x}}$ in two ways gives different answers

Published on 03 Nov 2021 - 5:40

Rationalize the denominator of $\frac{4}{9-3\sqrt[3]{3} + \sqrt[3]{9}}$

Published on 24 Nov 2021 - 17:53

Rationalize $\frac{\sqrt{t}}{\sqrt[4]{t}+\sqrt{t}}$

Published on 08 Jan 2022 - 22:17

Simplifying rational expressions and not sure what to exclude

Published on 11 Feb 2022 - 1:31

Simplification of $\frac{2\sqrt{21}-\sqrt{35}+5\sqrt{15}-16}{\sqrt7+2\sqrt5-\sqrt3}$

Published on 26 Feb 2022 - 14:25

Canceling out two sums with inside product problem

Published on 27 Feb 2022 - 13:19

Evaluate $\displaystyle\lim_{x\rightarrow +\infty} \left(\sqrt[n]{n + x} - \sqrt[n]{x}\right)$

Published on 19 Sep 2022 - 9:48

Rationalize a denominator with 3 nth roots.

Published on 11 Oct 2022 - 23:47

Rewrite expression eliminating roots in denominator

Published on 08 Nov 2022 - 18:50

How to deduce Abel's theorem from Kronecker's theorem

Published on 23 Feb 2026 - 13:41

Possible to factor this zero-crossing denominator sin(a+b) out of this zero-crossing numerator tan(a-b)?

Published on 21 Dec 2022 - 1:27