List questions from absolute-value

Published on 10 Jul 2013 - 21:15

14k

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what does $|x-2| < 1$ mean?

Published on 12 Jul 2013 - 16:44

161

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Find the value of this logarithmic expression involving fifth root of unity.

Published on 29 Mar 2026 - 22:39

124

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What is the minimum of $\left|z-2(1+i)\right|+\left|z+1-5i\right|+\left|z-6+2i\right|$ over all complex numbers?

Published on 22 Jul 2013 - 17:22

13.6k

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How to find minimum of sum of mod functions?

Published on 24 Jul 2013 - 17:11

15.4k

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Show that if $f$ is integrable on $[a,b]$, then $|f|$ is also integrable.

Published on 03 Apr 2026 - 13:13

51

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Given certain conditions for $\delta$, how do I show that an inequality relating delta to x is true?

Published on 01 Aug 2013 - 9:31

2k

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Graphing - Absolute Value and Circle

Published on 01 Aug 2013 - 10:03

22.1k

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Proof the maximum function $\max(x,y) = \frac {x +y +|x-y|} {2}$

Published on 01 Aug 2013 - 11:25

8.5k

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Prove the triangle inequality

Published on 01 Aug 2013 - 20:03

3.8k

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Describe the set of points on the complex plane...

Published on 02 Aug 2013 - 15:30

93

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Finding $x$ from inequality: $\left | \frac{3^n + 2}{3^n + 1} - 1 \right | \le \frac{1}{28}$

Published on 04 Aug 2013 - 11:35

380

Views

Inequalities - Absolute Value $|2x-1| \leq |x-3|$

Published on 05 Aug 2013 - 6:52

678

Views

Determine all the values of the parameter $a$ for which the inequality $3-|x-a|>x^2$ is satisfied by at least one negative $x$.

Published on 06 Aug 2013 - 0:37

60.2k

Views

Prove that $||x|-|y|| \leq |x-y|$

Published on 07 Aug 2013 - 4:58

List Question

Absolute value and roots

what does $|x-2| < 1$ mean?

Find the value of this logarithmic expression involving fifth root of unity.

What is the minimum of $\left|z-2(1+i)\right|+\left|z+1-5i\right|+\left|z-6+2i\right|$ over all complex numbers?

How to find minimum of sum of mod functions?

Show that if $f$ is integrable on $[a,b]$, then $|f|$ is also integrable.

Given certain conditions for $\delta$, how do I show that an inequality relating delta to x is true?

Graphing - Absolute Value and Circle

Proof the maximum function $\max(x,y) = \frac {x +y +|x-y|} {2}$

Prove the triangle inequality

Describe the set of points on the complex plane...

Finding $x$ from inequality: $\left | \frac{3^n + 2}{3^n + 1} - 1 \right | \le \frac{1}{28}$

Inequalities - Absolute Value $|2x-1| \leq |x-3|$

Determine all the values of the parameter $a$ for which the inequality $3-|x-a|>x^2$ is satisfied by at least one negative $x$.

Prove that $||x|-|y|| \leq |x-y|$

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