List questions from faq

Published on 12 Nov 2010 - 2:11

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Zero to the zero power – is $0^0=1$?

Published on 20 Nov 2010 - 23:02

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Significance of $\sqrt[n]{a^n} $?!

Published on 05 Dec 2010 - 9:58

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Number of permutations of $n$ elements where no number $i$ is in position $i$

Published on 23 Feb 2026 - 18:47

299.8k

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In a family with two children, what are the chances, if one of the children is a girl, that both children are girls?

Published on 21 Dec 2010 - 12:17

6k

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Universal Chord Theorem

Published on 04 Jan 2011 - 23:11

13.4k

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Integration by partial fractions; how and why does it work?

Published on 08 Feb 2011 - 9:05

19k

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Prove $0! = 1$ from first principles

Published on 08 Feb 2011 - 10:02

9.9k

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Is there a name for function with the exponential property $f(x+y)=f(x) \cdot f(y)$?

Published on 14 Feb 2011 - 23:58

21.9k

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Intuition behind Conditional Expectation

Published on 24 Feb 2011 - 20:42

33.7k

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Matrix multiplication: interpreting and understanding the process

Published on 01 Mar 2011 - 18:51

5.7k

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calculating $a^b \!\mod c$

Published on 13 Mar 2011 - 16:27

32.6k

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Proof of upper-tail inequality for standard normal distribution

Published on 24 Mar 2011 - 1:45

102.5k

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Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$

Published on 25 Mar 2011 - 15:44

1.8k

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What does matrix multiplication have to do with scalar multiplication?

Published on 29 Mar 2011 - 20:01

List Question

Why is negative times negative = positive?

Zero to the zero power – is $0^0=1$?

Significance of $\sqrt[n]{a^n} $?!

Number of permutations of $n$ elements where no number $i$ is in position $i$

In a family with two children, what are the chances, if one of the children is a girl, that both children are girls?

Universal Chord Theorem

Integration by partial fractions; how and why does it work?

Prove $0! = 1$ from first principles

Is there a name for function with the exponential property $f(x+y)=f(x) \cdot f(y)$?

Intuition behind Conditional Expectation

Matrix multiplication: interpreting and understanding the process

calculating $a^b \!\mod c$

Proof of upper-tail inequality for standard normal distribution

Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$

What does matrix multiplication have to do with scalar multiplication?

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