Question

Square roots and solutions to equations with squares. Why are there negatives and positives?

score 50 · Answer 1 · 2026-04-10 01:14:24

50

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Square roots and solutions to equations with squares. Why are there negatives and positives?

Published on 10 Apr 2026 - 1:14

score 155 · Answer 2 · 2026-04-17 04:42:32

155

Views

Find real solutions in $x$,$y$ for the system $\sqrt{x-y}+\sqrt{x+y}=a$ and $\sqrt{x^2+y^2}-\sqrt{x^2-y^2}=a^2.$

Published on 17 Apr 2026 - 4:42

score 49 · Answer 3 · 2026-04-16 17:17:47

49

Views

Proving $\lim_{x\to \infty} a_n = 0$ if $\lim_{x\to \infty} \sqrt[n]{|a_n|} = a$ for $a < 1$

Published on 16 Apr 2026 - 17:17

score 191 · Answer 4 · 2026-04-15 11:00:30

191

Views

If p is prime and $\gcd(a,p-1)=1$ then $x^{1/a}=x^{-a}$ for any $x \in \mathbb{Z}_p^*$ where $a^{-1}$ is the inverse of a in $\mathbb{Z}_{p-1}$

Published on 15 Apr 2026 - 11:00

score 3k · Answer 5 · 2026-04-14 06:29:14

3k

Views

The ± sign in square root

Published on 14 Apr 2026 - 6:29

score 3.5k · Answer 6 · 2026-04-14 01:50:20

3.5k

Views

How can I find the horizontal asymptotes of the function $y=\frac{x-3}{\sqrt{x^2-9}}\:+2$?

Published on 14 Apr 2026 - 1:50

score 105 · Answer 7 · 2026-04-16 20:06:39

105

Views

Found a real number $t$ such that $(14 + 5 \sqrt{3})(5 - \sqrt{3})\sqrt{8- 2 \sqrt{15}}= t \sqrt{2}$

Published on 16 Apr 2026 - 20:06

score 132 · Answer 8 · 2026-04-10 06:41:41

132

Views

Is it possible to "produce" a non-real number without the square root operation?

Published on 10 Apr 2026 - 6:41

score 57 · Answer 9 · 2026-04-12 21:51:07

57

Views

How do you prove a radical is a circle on the Cartesian plane?

Published on 12 Apr 2026 - 21:51

score 3.5k · Answer 10 · 2026-04-13 04:59:12

3.5k

Views

The 'Factorialth Root'

Published on 13 Apr 2026 - 4:59

score 58 · Answer 11 · 2026-04-13 04:43:48

58

Views

Determine this function's minimum

Published on 13 Apr 2026 - 4:43

score 49 · Answer 12 · 2026-04-09 18:56:40

49

Views

An inequality regarding calculus

Published on 09 Apr 2026 - 18:56

score 56 · Answer 13 · 2026-04-11 14:23:05

56

Views

What is the definition of $\sqrt[n]{a}$?

Published on 11 Apr 2026 - 14:23

score 155 · Answer 14 · 2026-04-13 16:02:28

155

Views

Finding arc length with y(t) = integral of 0 to X

Published on 13 Apr 2026 - 16:02

score 232 · Answer 15 · 2026-04-14 03:59:51

232

Views

Variables inside nested radicals

Published on 14 Apr 2026 - 3:59

List Question

Square roots and solutions to equations with squares. Why are there negatives and positives?

Find real solutions in $x$,$y$ for the system $\sqrt{x-y}+\sqrt{x+y}=a$ and $\sqrt{x^2+y^2}-\sqrt{x^2-y^2}=a^2.$

Proving $\lim_{x\to \infty} a_n = 0$ if $\lim_{x\to \infty} \sqrt[n]{|a_n|} = a$ for $a < 1$

If p is prime and $\gcd(a,p-1)=1$ then $x^{1/a}=x^{-a}$ for any $x \in \mathbb{Z}_p^*$ where $a^{-1}$ is the inverse of a in $\mathbb{Z}_{p-1}$

The ± sign in square root

How can I find the horizontal asymptotes of the function $y=\frac{x-3}{\sqrt{x^2-9}}\:+2$?

Found a real number $t$ such that $(14 + 5 \sqrt{3})(5 - \sqrt{3})\sqrt{8- 2 \sqrt{15}}= t \sqrt{2}$

Is it possible to "produce" a non-real number without the square root operation?

How do you prove a radical is a circle on the Cartesian plane?

The 'Factorialth Root'

Determine this function's minimum

An inequality regarding calculus

What is the definition of $\sqrt[n]{a}$?

Finding arc length with y(t) = integral of 0 to X

Variables inside nested radicals

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