List questions from absolute-value

Published on 07 Jul 2014 - 16:31

307

Views

Prove: If $a\in\mathbb Z$ and $|a| > 1$, then $1/a \notin \mathbb Z$.

Published on 09 Jul 2014 - 16:28

1.6k

Views

Concerning Rules of Exponents & Absolute Value

Published on 12 Jul 2014 - 19:38

235

Views

Restore the signum of abs(sinc(x))

Published on 16 Jul 2014 - 7:59

3.6k

Views

Prove this statement (inequality): $|x-y| \leq|x-z|+|y-z|$

Published on 16 Jul 2014 - 15:31

98

Views

Prove of complex numbers inequality $|a\bar{b}| \leq |a|^2 + |b|^2$

Published on 16 Jul 2014 - 15:55

190

Views

Maximum value problem

Published on 18 Jul 2014 - 14:31

170

Views

Prove: For any real number $a$, $b$ : $|a - b| \ge |a| -|b|$

Published on 19 Jul 2014 - 0:47

105

Views

solving the system

Published on 19 Jul 2014 - 13:06

276

Views

Spivak Absolute Value Problem (Prologue 9-v)

Published on 20 Jul 2014 - 21:21

10.8k

Views

How to solve Absolute Value Inequality: |x-1| ≥ 3-x

Published on 22 Jul 2014 - 16:54

1.1k

Views

Does "Expected Absolute Deviation" or "Expected Absolute Deviation Range" exist in stats and have another name?

Published on 27 Mar 2026 - 18:22

117

Views

For which $a$ does $\lvert x+1\rvert+\lvert 2-x\rvert=a^2 -1$ have exactly two solutions?

Published on 22 Jul 2014 - 21:21

994

Views

Proving a limit exists - solving for epsilon with absolute values

Published on 27 Mar 2026 - 20:01

48

Views

I do not quite understand this difference in limits

Published on 24 Jul 2014 - 11:30

List Question

inequality method of solution

Prove: If $a\in\mathbb Z$ and $|a| > 1$, then $1/a \notin \mathbb Z$.

Concerning Rules of Exponents & Absolute Value

Restore the signum of abs(sinc(x))

Prove this statement (inequality): $|x-y| \leq|x-z|+|y-z|$

Prove of complex numbers inequality $|a\bar{b}| \leq |a|^2 + |b|^2$

Maximum value problem

Prove: For any real number $a$, $b$ : $|a - b| \ge |a| -|b|$

solving the system

Spivak Absolute Value Problem (Prologue 9-v)

How to solve Absolute Value Inequality: |x-1| ≥ 3-x

Does "Expected Absolute Deviation" or "Expected Absolute Deviation Range" exist in stats and have another name?

For which $a$ does $\lvert x+1\rvert+\lvert 2-x\rvert=a^2 -1$ have exactly two solutions?

Proving a limit exists - solving for epsilon with absolute values

I do not quite understand this difference in limits

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