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Paul Sinclair

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82
Counting numbers in a sequence - explain "Add $1$ before you're done" rule
math.stackexchange.com

38
Can a cubic function have two tangents at a single point?
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33
What is my four digit car number?
puzzling.stackexchange.com

30
Explain why a line can never intersect a plane in exactly two points.
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24
How to prove that the limit of a sequence in the real numbers is real?
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24
What are the difference between some basic numerical root finding methods?
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22
Why can a quadratic equation have only 2 roots?
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21
Is the proof of Pythagorean theorem using dot (inner) product circular?
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21
Intuition for the prime number theorem
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20
What are some math concepts which were originally inspired by physics?
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20
Area of parallelogram = Area of square. Shear transform
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19
Prove that a number is divisible by 3 iff the sum of its digits is divisible by 3
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18
flat manifold, curvature and the circle
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18
Symbol for "probably equal to" (barring pathology)?
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18
Why do we say function "parameterized by" vs just function of (x,y,z,...)?
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17
Is dimensional analysis valid for integrals
physics.stackexchange.com

17
What exactly is calculus?
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15
Plant 9 trees in 10 rows of 3
puzzling.stackexchange.com

14
What is a particular and a homogenous solution of a differential equation?
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14
Have I totally misunderstood the Banach–Tarski paradox?
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13
Why do we automatically assume that when we divide a polynomial by a second degree polynomial the remainder is linear?
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13
Why do we care about equivalence relations?
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12
Intuition: Why chance of getting at least one ace when rolling a dice six times is not close to $1$?
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12
basic difference between canonical isomorphism and isomorphims
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12
Logistic regression - Prove That the Cost Function Is Convex
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12
What's wrong with this transformation?
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12
Is mathematics really true?
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11
What does "open set" mean in the concept of a topology?
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11
Why do we use the word "scalar" and not "number" in Linear Algebra?
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11
Why is the determinant defined in terms of permutations?
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