Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now
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### Answers (63)

 19 How is possible that those shapes are equivalent in topology? 3 Limit verification 2 Is the sequence $a_{n} = 1 + \frac14 + \frac{2^2}{4^2} + \cdots +\frac{n^2}{4^n}$ Cauchy? 2 find the limit of $\lim_{x \to\infty} (\frac {2+3x}{2x+1})^{x+1}$ without L'Hopital 2 Constant in front of the characteristic polynomial of a matrix

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 +2 Converting power series to an equation +2 How to show that a given PDE doesnot have continously differentiable solution +2 Proving a Vector Norm Inequality Holds +2 How Monge cone related to PDE?

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 7 Boundary and initial conditions in quasi linear first order pde 4 A square inside an equilateral triangle 3 An initial- and boundary-value problem for Burgers' equation with no solution 3 Application of Lyapounov's Theorem 3 How can I show that this shape is connected

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 23 general-topology × 8 3 cauchy-sequences × 3 7 linear-algebra × 9 2 vector-spaces × 6 6 limits × 4 2 geometry × 5 5 real-analysis × 14 2 inequality × 5 3 calculus × 8 2 polynomials × 4

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