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complex zeros of the polynomials $\sum_{k=0}^{n} z^k/k!$ inside balls
Intersection distributing over an infinite union, union over an infinite intersection
filling an occluded plane with the smallest number of rectangles
Is there a third dimension of numbers?
What is a counterexample to the converse of this corollary related to the Dominated Convergence Theorem?
Compute $\int_0^\pi\frac{\cos nx}{a^2-2ab\cos x+b^2}\, dx$
Infinite sum of $\dfrac{1}{n^p \ln(n)^q}$
Exercise $1.8$ of chapter one in Hartshorne.
Showing that if a subset of a complete metric space is closed, it is also complete
How to find the number of roots using Rouche theorem?
Difficult limit problem involving sine and tangent
How to check if a function is minimum to functional?
How to compute $I(Y)$ for the curve $Y$ defined parametrically by $x=t^{3}$, $y=t^{4}$, $z=t^{5}$?
Abelian $p$-group with unique subgroup of index $p$
Where does googolplum lie in the fast growing hierarchy?