Question

How do I get the square root of a complex number?

score 329k · Answer 1 · 2026-04-12 03:22:17

329k

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How do I get the square root of a complex number?

Published on 12 Apr 2026 - 3:22

score 6.4k · Answer 2 · 2026-04-15 18:58:38

6.4k

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Find the limit $\lim \limits_{n\to \infty }\cos \left(\pi\sqrt{n^{2}-n} \right)$

Published on 15 Apr 2026 - 18:58

score 1.2k · Answer 3 · 2026-04-16 16:18:06

1.2k

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Evaluating $\lim\limits_{x\to \infty}\sqrt[6]{x^{6}+x^{5}}-\sqrt[6]{x^{6}-x^{5}}$

Published on 16 Apr 2026 - 16:18

score 1.2k · Answer 4 · 2026-04-16 16:04:44

1.2k

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Calculate $\lim_{n \to \infty} \sqrt[n]{|\sin n|}$

Published on 16 Apr 2026 - 16:04

score 763 · Answer 5 · 2026-04-15 18:04:30

763

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The floor of $\sqrt{2x}+1/2$ is the ceiling of $(\sqrt{1+8x}-1)/2$

Published on 15 Apr 2026 - 18:04

score 1.4k · Answer 6 · 2026-04-17 08:55:48

1.4k

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Combined AM GM QM inequality

Published on 17 Apr 2026 - 8:55

score 2.8k · Answer 7 · 2026-04-16 08:13:35

2.8k

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Showing $\tan\frac{2\pi}{13}\tan\frac{5\pi}{13}\tan\frac{6\pi}{13}=\sqrt{65+18\sqrt{13}}$

Published on 16 Apr 2026 - 8:13

score 11.2k · Answer 8 · 2026-04-16 04:52:43

11.2k

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Proving $\sum\limits_{k=1}^{n}{\frac{1}{\sqrt{k}}\ge\sqrt{n}}$ with induction

Published on 16 Apr 2026 - 4:52

score 3.2k · Answer 9 · 2026-04-13 20:16:58

3.2k

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For every matrix $A\in M_{2}( \mathbb{C}) $ there's $X\in M_{2}( \mathbb{C})$ such that $X^2=A$?

Published on 13 Apr 2026 - 20:16

score 77k · Answer 10 · 2026-04-14 00:01:16

77k

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Square root of a number squared is equal to the absolute value of that number

Published on 14 Apr 2026 - 0:01

score 6.3k · Answer 11 · 2026-04-16 02:45:07

6.3k

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Finding limit of a quotient with two square roots: $\lim_{t\to 0}\frac{\sqrt{1+t}-\sqrt{1-t}}t$

Published on 16 Apr 2026 - 2:45

score 7.1k · Answer 12 · 2026-04-12 03:28:01

7.1k

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Is there a name for this strange solution to a quadratic equation involving a square root?

Published on 12 Apr 2026 - 3:28

score 7.4k · Answer 13 · 2026-04-14 16:15:47

7.4k

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Finding $\lim\limits_{x \to \infty} (\sqrt{9x^2+x} - 3x)$

Published on 14 Apr 2026 - 16:15

score 10.3k · Answer 14 · 2026-04-11 08:17:28

10.3k

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How to prove that $\sqrt 3$ is an irrational number?

Published on 11 Apr 2026 - 8:17

score 6.1k · Answer 15 · 2026-04-14 03:31:02

6.1k

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How to prove $\log n \leq \sqrt n$ over natural numbers?

Published on 14 Apr 2026 - 3:31

List Question

How do I get the square root of a complex number?

Find the limit $\lim \limits_{n\to \infty }\cos \left(\pi\sqrt{n^{2}-n} \right)$

Evaluating $\lim\limits_{x\to \infty}\sqrt[6]{x^{6}+x^{5}}-\sqrt[6]{x^{6}-x^{5}}$

Calculate $\lim_{n \to \infty} \sqrt[n]{|\sin n|}$

The floor of $\sqrt{2x}+1/2$ is the ceiling of $(\sqrt{1+8x}-1)/2$

Combined AM GM QM inequality

Showing $\tan\frac{2\pi}{13}\tan\frac{5\pi}{13}\tan\frac{6\pi}{13}=\sqrt{65+18\sqrt{13}}$

Proving $\sum\limits_{k=1}^{n}{\frac{1}{\sqrt{k}}\ge\sqrt{n}}$ with induction

For every matrix $A\in M_{2}( \mathbb{C}) $ there's $X\in M_{2}( \mathbb{C})$ such that $X^2=A$?

Square root of a number squared is equal to the absolute value of that number

Finding limit of a quotient with two square roots: $\lim_{t\to 0}\frac{\sqrt{1+t}-\sqrt{1-t}}t$

Is there a name for this strange solution to a quadratic equation involving a square root?

Finding $\lim\limits_{x \to \infty} (\sqrt{9x^2+x} - 3x)$

How to prove that $\sqrt 3$ is an irrational number?

How to prove $\log n \leq \sqrt n$ over natural numbers?

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