Mathematics
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Matt
  • Member for 8 years, 11 months
  • Last seen more than 4 years ago
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"Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin

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View all questions and answers
All Questions Answers
Score Newest
answer
10
There are infinitely many prime numbers $p$ for which $p + 2$ and $p + 4$ are also prime numbers
Feb 10, 2017
answer
10
A $3\times3$ matrix with rank 2 must have a nonzero solution to $Ax=0$
Dec 20, 2016
answer
9
Prove: $x$ is a limit point iff there is a sequence that converges to $x$
Nov 29, 2016
answer
7
Are there any formulas that include $\pi^n?$
Feb 13, 2017
answer
7
If $f$ is differentiable in $B(a)$ and $f(x) \leq f(a)$ for all $x$ in $B(a)$, then $\nabla f(a) = 0$
Nov 5, 2016
answer
6
An increasing sequence of simple functions approximates a measurable function
Apr 18, 2017
answer
6
How do I show $\sqrt{n} \not \in O(\log{n})$?
Jan 30, 2017
answer
5
Positive definite matrix submatrix eigenvalues
Dec 20, 2016
answer
4
Prove the following bound for the following sequence
Oct 12, 2016
answer
3
prove that$x-\dfrac{\langle a,x\rangle}{\langle a,a\rangle}a$ is orthogonal to $a$
Nov 29, 2016

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