Mathematics
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mechanodroid
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Twisted little monkey demon.

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All Questions Answers
Score Newest
answer
45
Shortest distance around a pyramid
Jul 11, 2019
answer
24
Why not include as a requirement that all functions must be continuous to be differentiable?
Jun 20, 2018
answer
24
How to prove that $x^2+y^2+z^2=14^n$ holds for distinct integers $x,y,z$ for every natural $n$?
Jun 30, 2018
answer
17
Is every norm increasing?
Jun 22, 2018
answer
15
Proof that a strictly diagonally dominant matrix is invertible
Sep 8, 2017
answer
15
Inequality for determinant of sum of two orthogonal matrices
Jan 18, 2021
answer
14
Prove that T is diagonalizable if and only if the minimal polynomial of T has no repeated roots.
Mar 4, 2018
answer
14
How to prove that $x^2 +1 \geq 2x$?
Sep 10, 2017
answer
13
Show that a subspace of $c_{0}$ with the norm induced by $c_{0}$, can’t be isomorphic to $l_1$.
Jan 2, 2019
answer
12
Prove that all three roots of $f(x)=0$ are zero. Also prove that $a+b+c=0$.
Jul 26, 2018
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Approving suggested edits with formatting issues
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