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calculatormathematical
  • Member for 3 years, 9 months
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1 vote

Problem with finding more

1 vote

Showing that $\int_{1}^{\infty}\cos(x^2)\arctan(x)dx$ converges

1 vote
Accepted

Lemma by Riemann-Lebesgue

0 votes

Calculating $\int_\Bbb{R}x^2e^{-x^2} dx$ using $\int_\Bbb{R}x^2e^{-tx^2} dx = -\frac{d}{dt}\int_\Bbb{R}e^{-tx^2} dx$

0 votes

Matrix exponential with derivative matrix (exponential shift)

0 votes

Equivalence of sup and Manhattan norm

0 votes
Accepted

Largest angle between three circle points

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Deduction of Hölder Inequality

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Trigonometric integral inequality

0 votes
Accepted

Diophantine Equation solved with elliptic curves

0 votes
Accepted

Multilinear Map of a Determinant: Basis Extension from Subspace

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Accepted

Reflection on Hyperplane

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Symmetric difference inclusion proof

0 votes
Accepted

Sequence of defined measure in the dual system: independent or not?

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Accepted

Finitely additive measure on cartesian product

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Sets with spheres in open intervals, measure theory

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Convergence of measurable functions by two conditions

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Double integration with $e^{-x^2}$

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Accepted

Transformation of Area restricted by 3 functions and x-Axis

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Circles inside a square

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Volume of a solid created by an extended tetrahedron

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Probability: proving $E(X)=np$

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Inequality, finding Constant

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Accepted

Sum of circles in a square

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Accepted

Matrix of a game

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Accepted

Amount of linearly independent vectors and linear subspaces in a vector space

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Recursive function inequality

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Accepted

Sum of Fibonacci reciprocals converges

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How many Rooks on a chess board - 1 threatens at the most 2

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What is a poset?