Question

Prove that the equation $x^2=x$ has the same solutions in rational numbers as in integers

score 76 · Answer 1 · 2015-10-28 19:09:42

76

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Prove that the equation $x^2=x$ has the same solutions in rational numbers as in integers

Published on 28 Oct 2015 - 19:09

score 2.3k · Answer 2 · 2015-10-29 04:19:29

2.3k

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Why rational numbers are dense?

Published on 29 Oct 2015 - 4:19

score 231 · Answer 3 · 2026-04-03 16:27:10

231

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If you apply the Distributive Property to a Rational and an Irrational number, which will your solution be?

Published on 03 Apr 2026 - 16:27

score 303 · Answer 4 · 2026-04-03 15:09:29

303

Views

Proving that $x$ is irrational if $x-\lfloor x \rfloor + \frac1x - \left\lfloor \frac1x \right\rfloor = 1$

Published on 03 Apr 2026 - 15:09

score 68 · Answer 5 · 2026-04-03 16:25:55

68

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prove or disprove if a number is irrational

Published on 03 Apr 2026 - 16:25

score 119 · Answer 6 · 2015-10-31 13:07:54

119

Views

In which way to prove that the set has the measure zero in R3?

Published on 31 Oct 2015 - 13:07

score 202 · Answer 7 · 2026-04-04 13:39:38

202

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How many distinct equivalence classes does this equivalence on rationals have?

Published on 04 Apr 2026 - 13:39

score 27 · Answer 8 · 2015-11-02 00:52:39

27

Views

Proof about rational neighbors

Published on 02 Nov 2015 - 0:52

score 85 · Answer 9 · 2015-11-03 06:48:43

85

Views

Numerical polynomials by means of prime powers

Published on 03 Nov 2015 - 6:48

score 1k · Answer 10 · 2026-04-04 18:53:29

1k

Views

Prove that the product of an irrational number and a rational number is irrational.

Published on 04 Apr 2026 - 18:53

score 7.2k · Answer 11 · 2026-04-03 16:24:27

7.2k

Views

Integral of rationals

Published on 03 Apr 2026 - 16:24

score 1.8k · Answer 12 · 2015-11-04 14:15:09

1.8k

Views

Is there a mathematical definition for the "divisibility" of rational numbers?

Published on 04 Nov 2015 - 14:15

score 103 · Answer 13 · 2026-04-03 18:18:20

103

Views

Exchangeability of union and intersection of open balls around all rational numbers in $[0,1]$

Published on 03 Apr 2026 - 18:18

score 293 · Answer 14 · 2026-04-03 18:10:32

293

Views

proving $ \sqrt 2 + \sqrt 3 $ is irrational

Published on 03 Apr 2026 - 18:10

score 66 · Answer 15 · 2015-11-07 04:59:06

66

Views

Number of ordered positive rationals (x,y,z) satisfying following conditions.

Published on 07 Nov 2015 - 4:59

List Question

Prove that the equation $x^2=x$ has the same solutions in rational numbers as in integers

Why rational numbers are dense?

If you apply the Distributive Property to a Rational and an Irrational number, which will your solution be?

Proving that $x$ is irrational if $x-\lfloor x \rfloor + \frac1x - \left\lfloor \frac1x \right\rfloor = 1$

prove or disprove if a number is irrational

In which way to prove that the set has the measure zero in R3?

How many distinct equivalence classes does this equivalence on rationals have?

Proof about rational neighbors

Numerical polynomials by means of prime powers

Prove that the product of an irrational number and a rational number is irrational.

Integral of rationals

Is there a mathematical definition for the "divisibility" of rational numbers?

Exchangeability of union and intersection of open balls around all rational numbers in $[0,1]$

proving $ \sqrt 2 + \sqrt 3 $ is irrational

Number of ordered positive rationals (x,y,z) satisfying following conditions.

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