# SyntacticSugar

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 5 Prove that the graph $y=x^{3/5}$ has a vertical tangent at the origin. 2 Gauß-Jordan algorithm - 'reading' the solution 1 Finding a polynomial $k$ respects $e^{-\epsilon k}\leq \delta$ 1 Let $p_n$ be the sequence defined by $p_n=\sum_{k=1}^n\frac{1}{k}$. Show that $p_n$ diverges even though $\lim_{n\to\infty}(p_n-p_{n-1})=0$ 1 MacLaurin series of $\ln(1-x^2)$

# 404 Reputation

 +20 Prove that the graph $y=x^{3/5}$ has a vertical tangent at the origin. +2 Show and prove if the following series converges or diverges +2 How to make a piecewise function differentiable? +15 Finding a polynomial $k$ respects $e^{-\epsilon k}\leq \delta$

# 8 Questions

 6 How to prove that $\int\limits_{-\pi/2}^{\pi/2}\frac{\cos(2x)}{e^x+1}=0$? 5 How would I go about finding a closed form solution for $g(x,n) = f(f(f(…(x))))$, $n$ times? 2 Math Competition Practice 2 Suppose that the cyclic group $G$ acts on a set $S$ 2 What is the probability that the resulting four line segments are the sides of a quadrilateral?

# 24 Tags

 7 calculus × 6 1 sequences-and-series 5 derivatives 1 taylor-expansion 2 linear-algebra × 2 1 convergence 1 algebra-precalculus × 2 1 divergent-series 1 polynomials 0 abstract-algebra × 4

# 10 Accounts

 Mathematics 404 rep 19 Philosophy 118 rep 3 Geographic Information Systems 113 rep 4 English Language & Usage 113 rep 3 Electrical Engineering 111 rep 2