List questions from absolute-value

Published on 14 May 2019 - 16:44

97

Views

Proving an inequality involving absolute values

Published on 25 Mar 2026 - 1:34

38

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Solution set for $ 0 < | x - c | < \delta$. Is $|x - c| < \delta$ equivalent to $0 \leq | x - c | < \delta$?

Published on 18 May 2019 - 14:46

33

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Absolute Value Problem Using Only Variables

Published on 20 May 2019 - 22:07

1.1k

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Absolute value of complex $\exp(z^2)$

Published on 24 May 2019 - 22:43

65

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Find minimize value of $P=(a^2+b^2+c^2)(|a-b|+|b-c|+|c-a|)$

Published on 27 May 2019 - 22:19

428

Views

Maximisation of a piecewise affine function over an ellipsoid

Published on 20 Mar 2026 - 3:29

171

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Find all numbers x which satisfy $|x^2 + 2| = |x^2 − 11|$.

Published on 31 May 2019 - 22:09

108

Views

What is the proof that $|\ln (1-x)|\le 2|x|$ if $|x|\le \frac{1}{2}$?

Published on 01 Jun 2019 - 13:40

77

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How to graph $x|2x-1|-3$?

Published on 02 Jun 2019 - 6:23

187

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Real analysis question $ a = b$ if and only if for every $\epsilon \gt 0, \left\lvert a-b \right\rvert \lt \epsilon$

Published on 04 Jun 2019 - 17:58

1.1k

Views

Calculating the expectation of the supremum of absolute value of a Brownian motion

Published on 05 Jun 2019 - 14:52

363

Views

Minimum of a trigonometric function involving absolute value

Published on 07 Jun 2019 - 13:50

96

Views

Minimum Absolute Difference

Published on 25 Mar 2026 - 14:18

108

Views

When is $y=|P(x)|$ is differentiable?

Published on 13 Jun 2019 - 15:16

List Question

Help $|nx|\le |n|\cdot|x|$, for $x\in K$ and $n \in \mathbb Z$?

Proving an inequality involving absolute values

Solution set for $ 0 < | x - c | < \delta$. Is $|x - c| < \delta$ equivalent to $0 \leq | x - c | < \delta$?

Absolute Value Problem Using Only Variables

Absolute value of complex $\exp(z^2)$

Find minimize value of $P=(a^2+b^2+c^2)(|a-b|+|b-c|+|c-a|)$

Maximisation of a piecewise affine function over an ellipsoid

Find all numbers x which satisfy $|x^2 + 2| = |x^2 − 11|$.

What is the proof that $|\ln (1-x)|\le 2|x|$ if $|x|\le \frac{1}{2}$?

How to graph $x|2x-1|-3$?

Real analysis question $ a = b$ if and only if for every $\epsilon \gt 0, \left\lvert a-b \right\rvert \lt \epsilon$

Calculating the expectation of the supremum of absolute value of a Brownian motion

Minimum of a trigonometric function involving absolute value

Minimum Absolute Difference

When is $y=|P(x)|$ is differentiable?

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