List questions from absolute-value

Published on 11 Sep 2018 - 17:40

22

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Intuition about combining half-open intervals into inequality with absolute value?

Published on 12 Sep 2018 - 11:40

58

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Why does $\int_{-\infty}^{\infty} |x-b|f(x)dx=\int_{-\infty}^b(b-x)f(x)dx+\int_{b}^{\infty}(x-b)f(x)dx$?

Published on 25 Mar 2026 - 7:44

32

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Interpretation of a fundamental inequality

Published on 13 Sep 2018 - 16:42

47

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What is the range of $x$ satisfying the inequality $-x|x| > 4$ where $x$ is an integer?

Published on 14 Sep 2018 - 3:41

1.1k

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Weierstrass approximation theorem. Approximation of |x|.

Published on 25 Mar 2026 - 12:59

74

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Using Supremum to prove $|x+y| \leq |x|+|y|$ vs. my proof

Published on 15 Sep 2018 - 19:23

70

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How to solve this rational inequality?

Published on 15 Sep 2018 - 20:39

132

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Determine the set of all complex number z satisfying following conditions

Published on 25 Mar 2026 - 3:03

186

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Absolute Value Inequalities (Quadratics)

Published on 16 Sep 2018 - 20:40

51

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Is it true to write $|\sum_{i=1}^N q_i x_i|\leq \sup_i|x_i|$?

Published on 20 Sep 2018 - 10:25

152

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Absolute value of tensor product of fields

Published on 20 Sep 2018 - 16:45

693

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Prove that $ |x-a|<b \iff x∈(a-b,a+b)$

Published on 20 Sep 2018 - 19:42

69

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Proof involving absolute value and maximums

Published on 21 Sep 2018 - 0:15

54

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A Question About Solving An Equation Involving The Addition Of Absolute Value Functions

Published on 21 Sep 2018 - 14:55

List Question

Solving an absolute-value inequality: $−|x|+2 \geq 8x $

Intuition about combining half-open intervals into inequality with absolute value?

Why does $\int_{-\infty}^{\infty} |x-b|f(x)dx=\int_{-\infty}^b(b-x)f(x)dx+\int_{b}^{\infty}(x-b)f(x)dx$?

Interpretation of a fundamental inequality

What is the range of $x$ satisfying the inequality $-x|x| > 4$ where $x$ is an integer?

Weierstrass approximation theorem. Approximation of |x|.

Using Supremum to prove $|x+y| \leq |x|+|y|$ vs. my proof

How to solve this rational inequality?

Determine the set of all complex number z satisfying following conditions

Absolute Value Inequalities (Quadratics)

Is it true to write $|\sum_{i=1}^N q_i x_i|\leq \sup_i|x_i|$?

Absolute value of tensor product of fields

Prove that $ |x-a|<b \iff x∈(a-b,a+b)$

Proof involving absolute value and maximums

A Question About Solving An Equation Involving The Addition Of Absolute Value Functions

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