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Ivan

CTO and co-founder of Vision RT a medical company that has developed a revolutionary new product that helps setup and monitor patients during radiotherapy treatments. I have a PhD in pure mathematics - number theory/combinatorics.

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  • Last seen Dec 4 at 19:15

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Top posts (19) All Questions Answers | Votes Newest

6 Find the rotation axis and angle of a matrix Aug 9 '16
5 Prove: $\binom{n}{k}^{-1}=(n+1)\int_{0}^{1}x^{k}(1-x)^{n-k}dx$ for $0 \leq k \leq n$ Jun 16 '14
3 Integral of $\int_0^{\pi/2} \ (\sin x)^7\ (\cos x)^5 \mathrm{d} x$ Jun 17 '14
3 Are there primes arbitrarily close to powers? Nov 23
2 The $257^{\text{th}}$ derivative of $e^{-t} \sin t$ Jun 17 '14
1 Proof of equality of complex numbers with conditions Oct 31
1 Proof that if $a_1=1$ and $a_{n+1}=1+\frac{1}{1+a_n}$ Nov 22
1 Solve $2 \cos^2 x+ \sin x=1$ for all possible $x$ Nov 22
1 Finding the angles and area of unusual shapes Nov 22
1 Rotation Matrix and Triple Angle Formulas? Jul 2
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