Mathematics
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abel

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 10 years, 1 month
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  • Last seen Apr 18 '19 at 16:11

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30 Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers Mar 13 '15
19 Trace of AB = Trace of BA Jun 6 '15
18 Finding the circles passing through two points and touching a circle Apr 11 '11
17 Show that $f(x) = \frac{x^3}{1+x^2}$ is bijective Feb 1 '15
15 Why are eigenvalues of nilpotent matrices equal to zero? May 4 '15
15 Limit of $\frac{1}{\sqrt[n]{n!}}$ as $n$ approaches infinity Feb 11 '15
15 Non-zero eigenvalues of $AA^T$ and $A^TA$ Dec 31 '14
13 Matrices such that $M^2+M^T=I_n$ are invertible May 18 '15
13 Determine a matrix knowing its eigenvalues and eigenvectors Jan 26 '15
12 Show that 1 and -1 are the only eigenvalues of this linear transformation May 25 '15
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