Question

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

score 1.6k · Answer 1 · 2026-03-30 05:16:21

1.6k

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

Published on 30 Mar 2026 - 5:16

score 290 · Answer 2 · 2026-03-28 06:40:28

290

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Understanding from where a recurrence of polynomials comes from

Published on 28 Mar 2026 - 6:40

score 55 · Answer 3 · 2020-04-07 01:50:14

55

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What are the intermediate steps in changing $(25-3\sqrt{69})^{1/3}$ to $\frac{2^{2/3}}{(25+3\sqrt{69})^{1/3}} $?

Published on 07 Apr 2020 - 1:50

score 63 · Answer 4 · 2020-04-07 15:13:31

63

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How do I calculate $\sqrt{ x / \sqrt{x}}$?

Published on 07 Apr 2020 - 15:13

score 51 · Answer 5 · 2026-03-25 17:44:43

51

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What is the inverse of $ f(x)= \sqrt{\log_{3} (x)}$. Why is $g(x)= 3^{x^2}$ not properly $f$'s inverse?

Published on 25 Mar 2026 - 17:44

score 1.9k · Answer 6 · 2020-04-08 15:00:48

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Find real x such that $\sqrt[4]{97-x}+\sqrt[4]{x}=5$

Published on 08 Apr 2020 - 15:00

score 222 · Answer 7 · 2020-04-08 16:09:45

222

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How to solve the following radical equation?$\sqrt{2+\sqrt{2-\sqrt{2+\sqrt{2-x}}}} =x$

Published on 08 Apr 2020 - 16:09

score 82 · Answer 8 · 2020-04-11 08:33:57

82

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Find $[\mathbb{Q}(14^{1/8}) : \mathbb{Q}(14^{1/2})]$

Published on 11 Apr 2020 - 8:33

score 1k · Answer 9 · 2026-03-26 20:39:34

1k

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Multiple definitions of casus irreducibilis

Published on 26 Mar 2026 - 20:39

score 81 · Answer 10 · 2020-04-14 06:02:01

81

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Is the $\sqrt{(-10)^2}$ equivalent to $-10$ or $10$?

Published on 14 Apr 2020 - 6:02

score 69 · Answer 11 · 2026-03-28 10:04:35

69

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How to solve $10\sqrt{10\sqrt[3]{10\sqrt[4]{10...}}}$?

Published on 28 Mar 2026 - 10:04

score 41 · Answer 12 · 2020-04-14 17:39:15

41

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Aluffi Chapter 0 number 7.7.5

Published on 14 Apr 2020 - 17:39

score 1k · Answer 13 · 2020-04-15 03:30:08

1k

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Why isn't the square root of a number such as $\sqrt 9 = \pm3$?

Published on 15 Apr 2020 - 3:30

score 73 · Answer 14 · 2020-04-15 08:23:35

73

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My book says $\sqrt{18}$ is a pure surd. Is it correct or a misprint?

Published on 15 Apr 2020 - 8:23

score 97 · Answer 15 · 2026-03-27 01:46:45

97

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$f$ is analytic on $\mathbb{D}$ and doesn't have zero points, then $\exists g$ on $\mathbb{D}$ s.t. $\forall x\in(-1,1), g(x)=|f(x)|$

Published on 27 Mar 2026 - 1:46

List Question

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

Understanding from where a recurrence of polynomials comes from

What are the intermediate steps in changing $(25-3\sqrt{69})^{1/3}$ to $\frac{2^{2/3}}{(25+3\sqrt{69})^{1/3}} $?

How do I calculate $\sqrt{ x / \sqrt{x}}$?

What is the inverse of $ f(x)= \sqrt{\log_{3} (x)}$. Why is $g(x)= 3^{x^2}$ not properly $f$'s inverse?

Find real x such that $\sqrt[4]{97-x}+\sqrt[4]{x}=5$

How to solve the following radical equation?$\sqrt{2+\sqrt{2-\sqrt{2+\sqrt{2-x}}}} =x$

Find $[\mathbb{Q}(14^{1/8}) : \mathbb{Q}(14^{1/2})]$

Multiple definitions of casus irreducibilis

Is the $\sqrt{(-10)^2}$ equivalent to $-10$ or $10$?

How to solve $10\sqrt{10\sqrt[3]{10\sqrt[4]{10...}}}$?

Aluffi Chapter 0 number 7.7.5

Why isn't the square root of a number such as $\sqrt 9 = \pm3$?

My book says $\sqrt{18}$ is a pure surd. Is it correct or a misprint?

$f$ is analytic on $\mathbb{D}$ and doesn't have zero points, then $\exists g$ on $\mathbb{D}$ s.t. $\forall x\in(-1,1), g(x)=|f(x)|$

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