Question

Find roots of absolute equation

score 97 · Answer 1 · 2017-09-09 09:44:31

97

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Find roots of absolute equation

Published on 09 Sep 2017 - 9:44

score 120 · Answer 2 · 2017-09-09 16:04:14

120

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Prove that for any $x\geq0$ and $y \ge 0$ we have: $|\sqrt{x} − \sqrt{y}| \le \sqrt{|x − y|}.$

Published on 09 Sep 2017 - 16:04

score 100 · Answer 3 · 2026-03-29 03:03:49

100

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Is the slope of $\vert x\vert$ not $0$ at $x=0$?

Published on 29 Mar 2026 - 3:03

score 47 · Answer 4 · 2017-09-10 10:41:52

47

Views

How do I define absolute value of this exponent function $\sin(e^7) + 7 - 8 \sqrt{2}$

Published on 10 Sep 2017 - 10:41

score 178 · Answer 5 · 2017-09-10 21:22:26

178

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Intuition behind a certain proof of this inequality: $|a|+|b|+|c|-|a+b|-|a+c|-|b+c|+|a+b+c| \geq 0$

Published on 10 Sep 2017 - 21:22

score 75 · Answer 6 · 2026-04-01 16:27:53

75

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if $a, b$ belong to complex with $|a|=|b|=1$ and $|a+b|=2$ prove that $a=b$

Published on 01 Apr 2026 - 16:27

score 59 · Answer 7 · 2017-09-13 00:37:24

59

Views

Maximum Proof (Average?)

Published on 13 Sep 2017 - 0:37

score 96 · Answer 8 · 2017-09-13 07:32:13

96

Views

$\frac{|x|-|y|}{|x-y|}$

Published on 13 Sep 2017 - 7:32

score 115 · Answer 9 · 2017-09-14 00:16:58

115

Views

In Epsilon-Delta proof, why is $3x^2|y|/(x^2 + y^2) \Leftarrow 3|y| = 3\sqrt{y^2} \Leftarrow 3\sqrt{x^2 + y^2} $

Published on 14 Sep 2017 - 0:16

score 72 · Answer 10 · 2017-09-14 22:13:11

72

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Does $\sqrt {x^2} = \lvert x\rvert$ Apply for Expressions $x$ with More than One Term?

Published on 14 Sep 2017 - 22:13

score 338 · Answer 11 · 2017-09-16 10:09:44

338

Views

Absolute value of inequality in set notation

Published on 16 Sep 2017 - 10:09

score 57 · Answer 12 · 2017-09-17 20:28:32

57

Views

How to show $1 - x\le e^{-x} \le \frac{1}{1 + x}$ for $|x| \le 1$

Published on 17 Sep 2017 - 20:28

score 164 · Answer 13 · 2017-09-23 20:40:22

164

Views

A median of a triangle is the geometric mean of the adjacent sides; find the cosine of one angle in terms of the others

Published on 23 Sep 2017 - 20:40

score 89 · Answer 14 · 2017-09-24 02:29:59

89

Views

intergal of $|f(x)|/f(x)$

Published on 24 Sep 2017 - 2:29

score 3.3k · Answer 15 · 2017-09-24 05:47:31

3.3k

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Solving a System of Equations with an Absolute Value

Published on 24 Sep 2017 - 5:47

List Question

Find roots of absolute equation

Prove that for any $x\geq0$ and $y \ge 0$ we have: $|\sqrt{x} − \sqrt{y}| \le \sqrt{|x − y|}.$

Is the slope of $\vert x\vert$ not $0$ at $x=0$?

How do I define absolute value of this exponent function $\sin(e^7) + 7 - 8 \sqrt{2}$

Intuition behind a certain proof of this inequality: $|a|+|b|+|c|-|a+b|-|a+c|-|b+c|+|a+b+c| \geq 0$

if $a, b$ belong to complex with $|a|=|b|=1$ and $|a+b|=2$ prove that $a=b$

Maximum Proof (Average?)

$\frac{|x|-|y|}{|x-y|}$

In Epsilon-Delta proof, why is $3x^2|y|/(x^2 + y^2) \Leftarrow 3|y| = 3\sqrt{y^2} \Leftarrow 3\sqrt{x^2 + y^2} $

Does $\sqrt {x^2} = \lvert x\rvert$ Apply for Expressions $x$ with More than One Term?

Absolute value of inequality in set notation

How to show $1 - x\le e^{-x} \le \frac{1}{1 + x}$ for $|x| \le 1$

A median of a triangle is the geometric mean of the adjacent sides; find the cosine of one angle in terms of the others

intergal of $|f(x)|/f(x)$

Solving a System of Equations with an Absolute Value

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