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 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

Reputation (1,972)

 +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?

Questions (33)

 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

Tags (83)

 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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 Mathematics 1,972 rep 33 gold badges66 silver badges2121 bronze badges Physics 133 rep 44 bronze badges MathOverflow 111 rep 33 bronze badges Computational Science 103 rep 33 bronze badges Mathematica 103 rep 44 bronze badges