Mathematics - Posts by JRN‭

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Q&A Is $r \times \frac{d}{dt} mv=\frac{d}{dt} (r \times mv)$

posted 3y ago by JRN‭ · last activity 3y ago by JRN‭

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Q&A What is a dummy variable (in an integral)?

posted 3y ago by JRN‭

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Q&A Notation for nested exponents

1 answer · posted 2y ago by JRN‭ · last activity 2y ago by leovt‭

Question notation exponents

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Q&A Probability that six random numbers between 0 and 1 are the lengths of a tetrahedron's edges

0 answers · posted 3mo ago by JRN‭ · edited 2mo ago by JRN‭

Question probability

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Q&A Why aren't the "21 possibilities here" NOT equally likely?

posted 3y ago by JRN‭

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Q&A Intuitively, why does A, B independent $\iff$ A, $B^C$ independent $\iff A^C, B^C$ independent?

posted 3y ago by JRN‭

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Q&A Intuitively, why can $a, b$ cycle in ${\color{red}{b}} = \frac c{\color{red}{a}} \iff {\color{red}{a}} = \frac c{\color{red}{b}}$?

posted 3y ago by JRN‭

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Q&A Why rational to be indifferent between two urns, when urn A has 50-50 red and white balls, but you don't know urn B's ratio?

posted 3y ago by JRN‭

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Q&A Why are you permitted to define $1 − 1 + 1 − 1 + . . .$?

posted 3y ago by JRN‭

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Q&A "A occurred" vs. "something must happen"

posted 3y ago by JRN‭

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Q&A Volume enclosed by the surface of revolution of a Reuleaux triangle

1 answer · posted 2mo ago by JRN‭ · last activity 2mo ago by JRN‭

Question volume Reuleaux-triangle surface-of-revolution

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Q&A Area of the surface of revolution of a Reuleaux triangle

1 answer · posted 2mo ago by JRN‭ · last activity 2mo ago by JRN‭

Question area Reuleaux-triangle surface-of-revolution

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Q&A How can Abraham Wald's approach lead you to ignore crucial features of a problem?

posted 3y ago by JRN‭ · edited 3y ago by JRN‭

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Q&A Volume enclosed by the surface of revolution of a Reuleaux triangle

posted 2mo ago by JRN‭

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Q&A Area of the surface of revolution of a Reuleaux triangle

posted 2mo ago by JRN‭ · edited 2mo ago by JRN‭

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Posts by JRN‭