List questions from absolute-value

Published on 30 Mar 2024 - 18:29

59

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Integral $\int_0^\infty |x-c|e^{-2x}dx$

Published on 05 Jan 2015 - 11:58

76

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All $a$ that equation has at least one root. $a^2+7|x+1|+5 \sqrt{x^2+2x+5}=2a+3|x-4a+1|$

Published on 01 Apr 2026 - 20:05

72

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Why is $A = \{x \mid 1 < |x| < 2\}$ connected?

Published on 09 Jan 2015 - 16:51

40

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Finding a non-piece wise function that gives us the $i$'th largest number.

Published on 11 Jan 2015 - 18:22

452

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Classification of Discrete Subrings of $\mathbb C$

Published on 13 Jan 2015 - 19:53

152

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Solution to $\sqrt{x^2-5}+3>|x-1|$

Published on 13 Jan 2015 - 22:49

73

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Sudoku and absolute value equation

Published on 14 Jan 2015 - 11:15

478

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Why is $ \sum_{n=0}^{k}|m-n|=\sum_{n=0}^{m}(m-n)+\sum_{n=m}^{k}(n-m)$?

Published on 14 Jan 2015 - 11:22

1.5k

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Absolute value in exponential, signal energy?

Published on 30 Mar 2026 - 0:18

10k

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Absolute Value Theorem

Published on 18 Jan 2015 - 0:10

54

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My proof of: $|x - y| < \varepsilon \Leftrightarrow y - \varepsilon < x < y + \varepsilon$

Published on 18 Jan 2015 - 18:19

75

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How to deal with x/|x| in an equation?

Published on 19 Jan 2015 - 16:48

2.3k

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Expectation value of absolute value of difference of two random variables

Published on 24 Jan 2015 - 13:14

80

Views

How to simplify an expression with absolute and log functions?

Published on 24 Jan 2015 - 18:17

List Question

maximum value of complex numbers

Integral $\int_0^\infty |x-c|e^{-2x}dx$

All $a$ that equation has at least one root. $a^2+7|x+1|+5 \sqrt{x^2+2x+5}=2a+3|x-4a+1|$

Why is $A = \{x \mid 1 < |x| < 2\}$ connected?

Finding a non-piece wise function that gives us the $i$'th largest number.

Classification of Discrete Subrings of $\mathbb C$

Solution to $\sqrt{x^2-5}+3>|x-1|$

Sudoku and absolute value equation

Why is $ \sum_{n=0}^{k}|m-n|=\sum_{n=0}^{m}(m-n)+\sum_{n=m}^{k}(n-m)$?

Absolute value in exponential, signal energy?

Absolute Value Theorem

My proof of: $|x - y| < \varepsilon \Leftrightarrow y - \varepsilon < x < y + \varepsilon$

How to deal with x/|x| in an equation?

Expectation value of absolute value of difference of two random variables

How to simplify an expression with absolute and log functions?

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