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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.

33%
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Notation for Euclidean Norm

1 answer  ·  posted 5mo ago by Guilherme Costa‭  ·  last activity 5mo ago by tommi‭

80%
+6 −0
How to show if a set is simply connected?

1 answer  ·  posted 5mo ago by kreijstal‭  ·  last activity 5mo ago by Derek Elkins‭

60%
+1 −0
proving relative lengths on a secant

1 answer  ·  posted 5mo ago by msh210‭  ·  last activity 5mo ago by Peter Taylor‭

57%
+2 −1
difference between quotient rule and product rule

3 answers  ·  posted 6mo ago by Istiak‭  ·  last activity 5mo ago by msh210‭

18%
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71%
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Intuitively, why's X% of Y = Y% of X?

1 answer  ·  posted 8mo ago by Chgg Clou‭  ·  last activity 8mo ago by celtschk‭

37%
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66%
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Why aren't $z_1=f(xy)$ and $z_2=f(x/y)$ functions of 2 variables?

1 answer  ·  posted 8mo ago by VLDR‭  ·  last activity 8mo ago by celtschk‭

44%
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If $n = xm$ and $n \rightarrow \infty$, then $m \rightarrow \infty$?

1 answer  ·  posted 8mo ago by VLDR‭  ·  last activity 8mo ago by The Amplitwist‭

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83%
+8 −0
Classification of topological points

1 answer  ·  posted 12mo ago by celtschk‭  ·  last activity 9mo ago by Ezekiel‭

71%
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Cutting the square

0 answers  ·  posted 1y ago by Grove‭  ·  edited 9mo ago by Grove‭

75%
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In $P(X\leq q)$, what do we call $q$?

1 answer  ·  posted 10mo ago by anoldmaninthesea‭  ·  last activity 10mo ago by gramps‭

81%
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80%
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Why always rationalize a denominator?

3 answers  ·  posted 10mo ago by msh210‭  ·  last activity 10mo ago by Derek Elkins‭

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