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Mathematics
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Alex Nguyen's user avatar
Alex Nguyen's user avatar
Alex Nguyen
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question
6
how to calculate $I(a)=\int_0^{\pi/2}\ln(a^2-\sin^2x)\,\mathrm dx$
Aug 21
question
2
Prove $A=\{x\in\mathbb{R}^2| x_1\geq 0, x_2\geq x_1^3\}\subset\mathbb{R}^2$ is convex
Aug 24
question
1
opposite angles of a quadrilateral are congruent
Jun 15
question
1
Proving the sequence sastifying a specific property is bounded
Jun 22
question
1
Find the smallest positive integer $n$ satisfying a condition
Jun 23
question
1
an isometry preserving an equilateral triangle will preserve its vertices
Jul 3
question
0
In a Hilbert space, the interior of an angle contains an infinite number of points.
Jun 7
question
0
Using Dehn invariant to prove an octahedron cannot be dissected into a regular tetrahedron.
Jun 14
question
0
subsets of $\{1,2,...,2n\}$ s.t it does not contain $a,b$ that $|a-b|=n.$
Jun 23
question
0
What affine transformation does the projective transformation correspond to?
Jun 26