Christian Ivicevic
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 Dec 4 answered Convergence of $\sum_{n=1}^{\infty}f(n)$ $\iff$ convergence of $\int_1^{\infty}$f(x)dx Nov 28 answered Give me hints for evaluating this limit Nov 27 asked Throwing the dice - wrong interpretation still yields correct result Nov 21 asked Reconstructing a function from its critical points and inflection points Nov 17 answered proof of limit explanation Nov 17 asked Show that $\exp(x)-1=\mathcal{O}(x)$ for $x\to 0$ Nov 10 asked Show that $\sqrt{x}$ is continuous using sequences Nov 3 asked Is there a whole number $x\in\mathbb{Z}$ with $x\neq 0$ s.t. $\exp(x)$ is natural? Nov 2 asked Prove that $x_{n+1}=\frac{x_n}{2}+\frac{1}{x_n}\geq\sqrt{2}$ Oct 1 asked Prove $\sum_{k=0}^n\binom{2n+1}{2k}=4^n$ Sep 30 answered Find a function $g(x,y)$ that satisfies the following conditions Sep 23 asked Solving ODE $\dot{x}=\lambda x-b$ Mar 31 asked $\varepsilon$-$\delta$-definition for continuity of $x^n$ Mar 31 asked Sequence with an infinite amount of limit points Feb 18 answered $E^2[X]$ vs.$E[X^2]$, what's the difference? Jan 20 asked Properties of shortest walks and simple paths during optimization Jan 16 answered When is $f(x) = \frac{ax}{e^{-b}-{(e^{c})}^x}$ monotonic? Jan 14 asked Parameterized curve describing trajectory of thrown object Jan 7 answered If $\sum_{n=1}^\infty a_n$ is convergent, then $\sum_{n=1}^{\infty} a_n\sin(n)$ Jan 7 asked Differentiation with respect to integral boundary