List questions from absolute-value

Published on 22 Dec 2018 - 19:20

274

Views

If $x\in[a,b],$ then $|x|\leq \max\{|a|,|b|\}$

Published on 29 Dec 2018 - 15:37

248

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Need Help with Absolute Value Equation involving Trig Function

Published on 30 Dec 2018 - 20:25

383

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The expectation of absolute value of the sum of n i.i.d. random variables

Published on 01 Jan 2019 - 15:32

77

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Inequalities with two absolute values (check by different methods)

Published on 02 Jan 2019 - 15:45

96

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$ \int \bigl| a\sin(x)+b\cos(x) \bigr| {\rm d}x = ? $

Published on 02 Jan 2019 - 16:14

49

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How does one solve the following system of equations?

Published on 02 Jan 2019 - 16:50

785

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Why and When do we use the absolute value?

Published on 06 Jan 2019 - 7:04

1.4k

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Cancelling with absolute values

Published on 07 Jan 2019 - 22:35

194

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$||x|-|y||\leq|x-y|\Rightarrow |x-y|\geq|x|-|y|$ and $|x+y|\geq|x|-|y|$.

Published on 08 Jan 2019 - 8:36

67

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Computing the product $xy$

Published on 08 Jan 2019 - 14:04

130

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Single-Line Equation for Equilateral Triangle

Published on 25 Mar 2026 - 9:25

709

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Why am I getting two solutions for this absolute value equation?

Published on 10 Jan 2019 - 16:13

1.4k

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Getting wrong answer for absolute value inequality and not sure why

Published on 11 Jan 2019 - 14:14

92

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$\log_{0.1}(x^4) - 4 \geq 0$ - Solution verification

Published on 12 Jan 2019 - 8:47

List Question

Why is the Absolute value / modulus function used?

If $x\in[a,b],$ then $|x|\leq \max\{|a|,|b|\}$

Need Help with Absolute Value Equation involving Trig Function

The expectation of absolute value of the sum of n i.i.d. random variables

Inequalities with two absolute values (check by different methods)

$ \int \bigl| a\sin(x)+b\cos(x) \bigr| {\rm d}x = ? $

How does one solve the following system of equations?

Why and When do we use the absolute value?

Cancelling with absolute values

$||x|-|y||\leq|x-y|\Rightarrow |x-y|\geq|x|-|y|$ and $|x+y|\geq|x|-|y|$.

Computing the product $xy$

Single-Line Equation for Equilateral Triangle

Why am I getting two solutions for this absolute value equation?

Getting wrong answer for absolute value inequality and not sure why

$\log_{0.1}(x^4) - 4 \geq 0$ - Solution verification

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