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Daniel Pol

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

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  • Member for 3 years, 5 months
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  • Last seen Dec 14 '20 at 23:23

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2 Find the number of integer solutions to the equation $a+b+c+d \leq 11$ with $0 \leq a, b, c, d \leq 3$ Sep 18 '17
2 Convergence Tests Oct 11 '17
2 How to calculate $\ln(17)$ without calculator? Dec 12 '17
1 Counting number of paths on a triangular lattice Dec 14 '17
1 Inverse function for exponential Dec 17 '17
1 If $\mathbf{A} = \mathbf{LL}^{\top}$, can we find $\mathbf{LDL}^{\top}$ for diagonal $\mathbf{D}$ without computing the decompositon? Oct 13 '17
1 Let $p$ be a prime number. Show that if there exist $k \in \mathbb{N}$ such that $p=3k+1$, then there exist $n \in \mathbb{N}$ such that $p=6n+1$ Nov 1 '17
1 How to calculate the limit $\lim_{x\to +\infty}x\sqrt{x^2+1}-x(1+x^3)^{1/3}$ which involves rational functions? Dec 12 '17
1 Number of Divisor of $2^{2}.3^{3}.5^{3}.7^{5}$ Oct 18 '17
1 The maximum possible value of $x^2+y^2-4x-6y$ subject to the condition $|x+y|+|x-y|$ Oct 22 '17
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