Question

Find the volume common to two circular cylinders, each with radius r, if the axes of the cylinders intersect at right angles. (using disk/washer)

score 65.6k · Answer 1 · 2013-09-15 09:56:12

Find the volume common to two circular cylinders, each with radius r, if the axes of the cylinders intersect at right angles. (using disk/washer)

score 9.4k · Answer 2 · 2014-01-16 15:49:08

9.4k

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Show that if $n>2$, then $(n!)^2>n^n$.

Published on 16 Jan 2014 - 15:49

score 47.9k · Answer 3 · 2014-02-14 16:40:11

47.9k

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How many equivalence relations on a set with 4 elements.

Published on 14 Feb 2014 - 16:40

score 47.2k · Answer 4 · 2017-10-24 03:06:07

47.2k

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How to tell whether two graphs are isomorphic?

Published on 24 Oct 2017 - 3:06

score 74 · Answer 5 · 2017-12-31 07:50:52

Given $\langle f_{n}\rangle$ such that $f_{n}=\frac{f_{n-1}+f_{n-2}}{2}$ $\forall n\gt2$,to prove it converges to $\frac{f_1+2f_2}{3}$

score 12.8k · Answer 6 · 2010-07-20 19:09:27

12.8k

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Published on 20 Jul 2010 - 19:09

score 51.8k · Answer 7 · 2010-07-20 22:17:38

51.8k

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How can you prove that a function has no closed form integral?

Published on 20 Jul 2010 - 22:17

score 26k · Answer 8 · 2010-07-29 02:38:41

26k

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Where is the flaw in this "proof" that 1=2? (Derivative of repeated addition)

Published on 29 Jul 2010 - 2:38

score 306.5k · Answer 9 · 2010-08-12 17:15:42

306.5k

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Proof that $1+2+3+4+\cdots+n = \frac{n\times(n+1)}2$

Published on 12 Aug 2010 - 17:15

score 5k · Answer 10 · 2010-08-23 22:00:32

5k

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What is the best way to solve an equation involving multiple absolute values?

Published on 23 Aug 2010 - 22:00

score 20.2k · Answer 11 · 2010-09-11 05:30:01

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Boy Born on a Tuesday - is it just a language trick?

Published on 11 Sep 2010 - 5:30

score 45.8k · Answer 12 · 2010-09-12 11:24:41

45.8k

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How to prove: if $a,b \in \mathbb N$, then $a^{1/b}$ is an integer or an irrational number?

Published on 12 Sep 2010 - 11:24

score 18.7k · Answer 13 · 2010-10-16 11:52:03

18.7k

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Langley's Adventitious Angles

Published on 16 Oct 2010 - 11:52

score 144.4k · Answer 14 · 2010-10-22 17:17:05

144.4k

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Best book of topology for beginner?

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score 141.4k · Answer 15 · 2010-10-30 10:04:43

141.4k

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Different ways to prove $\sum_{k=1}^\infty \frac{1}{k^2}=\frac{\pi^2}{6}$ (the Basel problem)

Published on 30 Oct 2010 - 10:04

List Question

Find the volume common to two circular cylinders, each with radius r, if the axes of the cylinders intersect at right angles. (using disk/washer)

Show that if $n>2$, then $(n!)^2>n^n$.

How many equivalence relations on a set with 4 elements.

How to tell whether two graphs are isomorphic?

Given $\langle f_{n}\rangle$ such that $f_{n}=\frac{f_{n-1}+f_{n-2}}{2}$ $\forall n\gt2$,to prove it converges to $\frac{f_1+2f_2}{3}$

What Does it Really Mean to Have Different Kinds of Infinities?

How can you prove that a function has no closed form integral?

Where is the flaw in this "proof" that 1=2? (Derivative of repeated addition)

Proof that $1+2+3+4+\cdots+n = \frac{n\times(n+1)}2$

What is the best way to solve an equation involving multiple absolute values?

Boy Born on a Tuesday - is it just a language trick?

How to prove: if $a,b \in \mathbb N$, then $a^{1/b}$ is an integer or an irrational number?

Langley's Adventitious Angles

Best book of topology for beginner?

Different ways to prove $\sum_{k=1}^\infty \frac{1}{k^2}=\frac{\pi^2}{6}$ (the Basel problem)

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