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Mathematics
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dezdichado

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36 If I have a $0.00048\%$ chance of dying every second, how to numerically calculate the chance I have of dying in a day? Jun 9 '17
14 Absolute value graph sketching: $||x-1|-1|$ Apr 29 '16
10 An elegant way to solve $\frac {\sqrt3 - 1}{\sin x} + \frac {\sqrt3 + 1}{\cos x} = 4\sqrt2 $ Mar 20 '16
9 Is there an “inverted” dot product? Jan 17 '18
8 Help with Summation Inequality: $\sum a_i \sum b_i \ge \sum a_ib_i$ Mar 25 '16
8 Finding the global minimum of $x^{n}+x^{n-1}+…+1$ for even $n.$ Jul 8 '17
8 If $A + A^t = 2I$ then $\det(A) \geq 1$ Dec 24 '18
6 Prove that $x^2+xy^2+xyz^2 \ge 4xyz-4$ for positive real $x,y,z$ Sep 11 '18
6 Turkevicius inequality Sep 15 '17
5 Let $(x, y, z)\in \Bbb R$, prove that $\big(\frac{2x-y}{x-y}\big)^2+\big(\frac{2y-z}{y-z}\big)^2 +\big(\frac{2z-x}{z-x}\big)^2 \geqslant 5$ Sep 6 '17
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