Question

Rationalizing fractions with multiple radicals

score 284 · Answer 1 · 2012-11-05 22:27:31

284

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Rationalizing fractions with multiple radicals

Published on 05 Nov 2012 - 22:27

score 2.6k · Answer 2 · 2026-03-30 12:36:59

2.6k

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Faster arithmetic with finite continued fractions

Published on 30 Mar 2026 - 12:36

score 202 · Answer 3 · 2026-04-02 15:53:19

202

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Prove $\frac{1}{{4n^2 - 1}} = \frac{1}{{(2n + 1)(2n - 1)}} = \frac{1}{{2(2n - 1)}} - \frac{1}{{2(2n + 1)}}$

Published on 02 Apr 2026 - 15:53

score 116 · Answer 4 · 2012-11-09 11:08:01

How to represent fraction $\frac{1}{a+b\cdot \sqrt[3]{2} + c\cdot (\sqrt[3]{2})^2}$ as $a_1 + b_1 \cdot \sqrt[3]{2} + c_1 \cdot (\sqrt[3]{2})^2$?

score 3.1k · Answer 5 · 2012-11-09 16:32:11

3.1k

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Nested Division in the Ceiling Function

Published on 09 Nov 2012 - 16:32

score 160 · Answer 6 · 2012-11-11 13:52:06

160

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Expressing in rationals

Published on 11 Nov 2012 - 13:52

score 203 · Answer 7 · 2026-04-07 17:46:20

203

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Could $\frac x0 = \pm\infty$?

Published on 07 Apr 2026 - 17:46

score 311 · Answer 8 · 2012-11-14 23:57:19

311

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Infinite repeated decimals in a number

Published on 14 Nov 2012 - 23:57

score 1k · Answer 9 · 2012-11-17 13:17:59

1k

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Proving that $\frac{n+1}{2n+3}$ and $\frac{3n-5}{4n-7}$ are irreducible for all $n$

Published on 17 Nov 2012 - 13:17

score 169 · Answer 10 · 2012-11-17 20:18:49

169

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Find the set of all natural number that make $(n+1)/(n+3)$ reducible

Published on 17 Nov 2012 - 20:18

score 699 · Answer 11 · 2012-11-18 22:48:51

699

Views

Rounding .5 - why isn't rounding away from zero the 'right' answer?

Published on 18 Nov 2012 - 22:48

score 28 · Answer 12 · 2012-11-19 04:02:26

28

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Laplace Transform Help

Published on 19 Nov 2012 - 4:02

score 846 · Answer 13 · 2026-04-04 07:05:24

846

Views

proof of $\sum\nolimits_{i = 1}^{n } {\prod\nolimits_{\substack{j = 1\\j \ne i}}^{n } {\frac{{x_i }}{{x_i - x_j }}} } = 1$

Published on 04 Apr 2026 - 7:05

score 3.5k · Answer 14 · 2026-03-28 16:56:27

3.5k

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How do I get the integer part of a number by using basic arithmetic?

Published on 28 Mar 2026 - 16:56

score 65 · Answer 15 · 2012-11-29 10:17:04

65

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Need an explanation of a particular expression transformation

Published on 29 Nov 2012 - 10:17

List Question

Rationalizing fractions with multiple radicals

Faster arithmetic with finite continued fractions

Prove $\frac{1}{{4n^2 - 1}} = \frac{1}{{(2n + 1)(2n - 1)}} = \frac{1}{{2(2n - 1)}} - \frac{1}{{2(2n + 1)}}$

How to represent fraction $\frac{1}{a+b\cdot \sqrt[3]{2} + c\cdot (\sqrt[3]{2})^2}$ as $a_1 + b_1 \cdot \sqrt[3]{2} + c_1 \cdot (\sqrt[3]{2})^2$?

Nested Division in the Ceiling Function

Expressing in rationals

Could $\frac x0 = \pm\infty$?

Infinite repeated decimals in a number

Proving that $\frac{n+1}{2n+3}$ and $\frac{3n-5}{4n-7}$ are irreducible for all $n$

Find the set of all natural number that make $(n+1)/(n+3)$ reducible

Rounding .5 - why isn't rounding away from zero the 'right' answer?

Laplace Transform Help

proof of $\sum\nolimits_{i = 1}^{n } {\prod\nolimits_{\substack{j = 1\\j \ne i}}^{n } {\frac{{x_i }}{{x_i - x_j }}} } = 1$

How do I get the integer part of a number by using basic arithmetic?

Need an explanation of a particular expression transformation

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