List questions from radicals

Published on 10 Apr 2026 - 23:02

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Find the limit: $\displaystyle\lim_{x\to \infty} (\sqrt{x^2+x}-\sqrt{x^2-x})$.

Published on 07 Dec 2013 - 19:10

141

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Show how to find the cubic root

Published on 29 Mar 2026 - 19:16

3.1k

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formula for $\sum_{k=0}^{m} \lfloor{\sqrt{k}}\rfloor$ when m is a positive integer

Published on 02 Apr 2026 - 16:19

832

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simplify cube root of a fraction

Published on 08 Apr 2026 - 20:07

312

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Why does $ \frac{1}{x\sqrt{x}}= \frac {\sqrt{x}}{x^2} $?

Published on 04 Apr 2026 - 15:19

316

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Limit of $\lim\limits_{n \rightarrow \infty}(\sqrt{x^8+4}-x^4)$

Published on 08 Dec 2013 - 23:50

152

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Does $\sum \frac{1}{n \sqrt[n]{n}}$ converge?

Published on 09 Dec 2013 - 1:05

54

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finding the limit of a series with 3rd root

Published on 09 Apr 2026 - 17:20

64

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Integral with root calculation

Published on 09 Apr 2026 - 8:32

62

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Domain of a function involving a radical

Published on 11 Apr 2026 - 11:50

506

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(Dis)prove that this system has only integral solutions: $\sqrt x+y=7$and $\sqrt y+x=11$

Published on 11 Dec 2013 - 3:49

5.5k

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Limit of $\sqrt{x^2-6x+7}-x$ as x approaches negative infinity

Published on 12 Dec 2013 - 2:19

3.8k

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Square root notation and lengths of vectors

Published on 12 Dec 2013 - 5:05

232

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Finding the limit: $\lim_{x\to3^+} \frac{\sqrt{x-3}}{|x-3|}$

Published on 04 Apr 2026 - 20:58

List Question

Basic question about simplifying a square root

Find the limit: $\displaystyle\lim_{x\to \infty} (\sqrt{x^2+x}-\sqrt{x^2-x})$.

Show how to find the cubic root

formula for $\sum_{k=0}^{m} \lfloor{\sqrt{k}}\rfloor$ when m is a positive integer

simplify cube root of a fraction

Why does $ \frac{1}{x\sqrt{x}}= \frac {\sqrt{x}}{x^2} $?

Limit of $\lim\limits_{n \rightarrow \infty}(\sqrt{x^8+4}-x^4)$

Does $\sum \frac{1}{n \sqrt[n]{n}}$ converge?

finding the limit of a series with 3rd root

Integral with root calculation

Domain of a function involving a radical

(Dis)prove that this system has only integral solutions: $\sqrt x+y=7$and $\sqrt y+x=11$

Limit of $\sqrt{x^2-6x+7}-x$ as x approaches negative infinity

Square root notation and lengths of vectors

Finding the limit: $\lim_{x\to3^+} \frac{\sqrt{x-3}}{|x-3|}$

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