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Q&A

General Q&A about all branches of theoretical and applied mathematics, including closely-adjacent sciences where the central question is about the math.

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28%
+0 −3
How do I prove Simpson's Paradox, scilicet $P(A|B) > P(A|B^C)$?

0 answers  ·  posted 2y ago by DNB‭  ·  edited 2y ago by DNB‭

71%
+3 −0
Find limits of integration in polar coordinates

2 answers  ·  posted 2y ago by MissMulan‭  ·  last activity 2y ago by r~~‭

42%
+1 −2
Is $r \times \frac{d}{dt} mv=\frac{d}{dt} (r \times mv)$

1 answer  ·  posted 2y ago by deleted user  ·  last activity 2y ago by JRN‭

33%
+0 −2
What is "continuous" in Math?

3 answers  ·  posted 2y ago by deleted user  ·  last activity 2y ago by deleted user

40%
+0 −1
50%
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Is $x=\int \int \ddot{x}\mathrm dx \mathrm dx$?

1 answer  ·  posted 2y ago by deleted user  ·  last activity 2y ago by celtschk‭

50%
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42%
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42%
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How do mathematicians measure shape perimeters?

2 answers  ·  posted 2y ago by deleted user  ·  edited 2y ago by deleted user

40%
+0 −1
40%
+0 −1
How to visualize division in the Odds form of Bayes's Theorem?

0 answers  ·  posted 2y ago by DNB‭  ·  edited 2y ago by DNB‭

81%
+7 −0
When and how should the $Z_n^2$ statistic be used?

1 answer  ·  posted 3y ago by HDE 226868‭  ·  last activity 2y ago by HDE 226868‭

71%
+3 −0
42%
+1 −2
60%
+1 −0
40%
+0 −1
What is the meaning of integration under integral sign?

1 answer  ·  posted 2y ago by deleted user  ·  last activity 2y ago by deleted user

40%
+2 −4
Why does “unless” mean “if not”?

2 answers  ·  posted 3y ago by PSTH‭  ·  edited 2y ago by Peter Taylor‭

33%
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50%
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How to derive some trigonometric formulas?

2 answers  ·  posted 2y ago by deleted user  ·  last activity 2y ago by deleted user