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Long Nguyen

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3 Proving continuity of $f(x)=\sqrt{1−x^3}$ on $[0,1]$ Jan 20
2 Convergence of $\sum_{n=0}^{\infty} \frac{3^nn!}{n^n}$ [duplicate] Feb 13
1 $f: [0, 1] \to \mathbb{R}$ is continuous. Prove existence of $c \in (0, 1)$ where $\int_{0}^{1} f(x) x^2 dx = \frac{f(c)}{3}$ [duplicate] Feb 21
0 Riemann subtotal of $e$ on partition $Z = (0, \frac{1}{2^n}, \frac{2}{2^n},.., 1)$ Feb 23
0 $f: (a, b] \to \mathbb{R}$ continuous. Prove: $f$ continuously resumable in $a \iff f$ is uniformly continuous Feb 2
0 Given three non-colinear points, calculate the angle between every edge Apr 19 '20
0 Prove $\sum_{k=0}^n (k + 1)\binom{n}{k}= 2^{n - 1}(n + 2)$ [duplicate] Nov 27 '20
0 Poisson distribution with 2 variables Dec 4 '20
0 If a series is absolutely convergent, then does it have to pass the ratio test or the root test? Jan 1

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