Question

Is this proof of $\sqrt{3}$ being an irrational number correct?

score 681 · Answer 1 · 2017-10-02 05:15:50

681

Views

Is this proof of $\sqrt{3}$ being an irrational number correct?

Published on 02 Oct 2017 - 5:15

score 239 · Answer 2 · 2017-10-04 04:16:33

239

Views

Find value of $\frac{\sum_{k=1}^{399} \sqrt{20+\sqrt{k}}}{\sum_{k=1}^{399} \sqrt{20-\sqrt{k}}}$

Published on 04 Oct 2017 - 4:16

score 59 · Answer 3 · 2017-10-06 21:57:32

59

Views

What exactly is this question asking? (radix representation of rational numbers)

Published on 06 Oct 2017 - 21:57

score 119 · Answer 4 · 2017-10-07 16:17:01

119

Views

Do I need to prove rational number is discontinued on the number axis (irrational numbers are filled in between) and solve this question?

Published on 07 Oct 2017 - 16:17

score 478 · Answer 5 · 2017-10-07 21:45:35

478

Views

Density of a subset of $\mathbb{R}$

Published on 07 Oct 2017 - 21:45

score 38 · Answer 6 · 2017-10-09 20:56:03

38

Views

An exersise about representation of the fractional parts of an irrational

Published on 09 Oct 2017 - 20:56

score 97 · Answer 7 · 2017-10-11 02:27:05

97

Views

Irrational Numbers Expression

Published on 11 Oct 2017 - 2:27

score 163 · Answer 8 · 2017-10-12 17:47:01

163

Views

a question on prime numbers and infinite series

Published on 12 Oct 2017 - 17:47

score 365 · Answer 9 · 2017-10-13 13:31:37

365

Views

Is $x = \arccos ( \frac{3}{5})$ a rational number?

Published on 13 Oct 2017 - 13:31

score 511 · Answer 10 · 2026-03-26 18:56:32

511

Views

Prove that ${e\over {\pi}}\lt{1\over {2\gamma}}$ without using a calculator.

Published on 26 Mar 2026 - 18:56

score 20 · Answer 11 · 2017-10-16 13:07:13

20

Views

Contrapositive of"If $h \in \mathbb Q$ then $\exists a,b \in \mathbb Z$ such that $h=\frac{a}{b}$"

Published on 16 Oct 2017 - 13:07

score 1.4k · Answer 12 · 2017-10-16 18:49:16

1.4k

Views

Is $\sqrt{2}+\sqrt{3}$ rational or irrational?

Published on 16 Oct 2017 - 18:49

score 125 · Answer 13 · 2017-10-17 11:26:56

125

Views

Prove if $p + \sqrt{2} \cdot q = 0$, then $p = q = 0$

Published on 17 Oct 2017 - 11:26

score 41 · Answer 14 · 2017-10-17 15:17:52

41

Views

Irrationals cannot behave as rationals in this sense, right?

Published on 17 Oct 2017 - 15:17

score 77 · Answer 15 · 2017-10-21 02:19:05

77

Views

Not uniform distribution of {nr} fractional parts

Published on 21 Oct 2017 - 2:19

List Question

Is this proof of $\sqrt{3}$ being an irrational number correct?

Find value of $\frac{\sum_{k=1}^{399} \sqrt{20+\sqrt{k}}}{\sum_{k=1}^{399} \sqrt{20-\sqrt{k}}}$

What exactly is this question asking? (radix representation of rational numbers)

Do I need to prove rational number is discontinued on the number axis (irrational numbers are filled in between) and solve this question?

Density of a subset of $\mathbb{R}$

An exersise about representation of the fractional parts of an irrational

Irrational Numbers Expression

a question on prime numbers and infinite series

Is $x = \arccos ( \frac{3}{5})$ a rational number?

Prove that ${e\over {\pi}}\lt{1\over {2\gamma}}$ without using a calculator.

Contrapositive of"If $h \in \mathbb Q$ then $\exists a,b \in \mathbb Z$ such that $h=\frac{a}{b}$"

Is $\sqrt{2}+\sqrt{3}$ rational or irrational?

Prove if $p + \sqrt{2} \cdot q = 0$, then $p = q = 0$

Irrationals cannot behave as rationals in this sense, right?

Not uniform distribution of {nr} fractional parts

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