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Intereting Posts

Solution to a recurrence relation
Question on using sandwich rule with trig and abs function to show that a limit exists.
How can we conclude $n\xi_j^{n-1}=\prod_{i \ne j}(\xi_{i}-\xi_{j})$ from $x^n-1=\prod_{i}(x-\xi_{i})$
Rationalize $\left(\sqrt{3x+5}-\sqrt{5x+11} -\sqrt{x+9}\right)^{-1}$
integer partitions
Understanding cohomology with compact support
How are simple groups the building blocks?
Discriminant of a trinomial
How to find the distance between two planes?
Homology and Graph Theory
Help proving that a Banach space is reflexive
$I$-adic completion
Closed form for $\sum_{k=1}^{\infty} \zeta(2k)-\zeta(2k+1)$
Motivation for adjoint operators in finite dimensional inner-product-spaces
A field that is an ordered field in two distinct ways