Thom

### Questions (14)

 10 Why does this iterative way of solving an equation work? 6 Non-trivial topology where only open sets are closed 5 Prove that there exists number $k\in \mathbb{N}$ such that $V = \operatorname{Ker}A^{k} \dot{+} \operatorname{Im}A^{k}$ 3 What is relationship between scalar and vector product? 3 Solve differential equation $xyy'=x^4+y^4$

### Reputation (540)

 +5 Method of characteristics $\frac{\partial^2 u}{\partial x^2} + \frac{\partial^2 u}{\partial y^2} + 2\frac{\partial^2 u}{\partial x \partial y}=0$ +13 Why does this iterative way of solving an equation work? +25 Problem with Definition of Riemann Integrable Function +10 $ax+by=x^2+y^2\implies a=x$ and $b=y$

 6 $ax+by=x^2+y^2\implies a=x$ and $b=y$ 4 For which $p>0$ does $\sum_{n=3}^{\infty}\frac{\log(n)}{n^p}$ converge? 2 Evaluating $\sqrt{2 + \sqrt{2 + \sqrt{2 + \sqrt{2 + \cdots }}}}$ 2 Solve $x^3-x-6=0$ 2 Partial Fraction: Already irreducible?

### Tags (48)

 8 sequences-and-series × 4 2 fourier-series × 2 8 algebra-precalculus × 2 2 radicals 6 calculus × 4 2 induction 4 real-analysis × 3 2 discrete-mathematics 4 convergence 2 partial-fractions

### Accounts (3)

 Mathematics 540 rep 216 Christianity 352 rep 110 Philosophy 156 rep 7