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Apr
27
reviewed Close How do you formally construct the following proof regarding completeness and vector spaces?
Apr
23
reviewed Close Betti numbers over unital rings
Apr
23
reviewed Close Finding position of point (in 3D space ) which are at x,y offset from corner of a rectangle in 3D world
Apr
23
reviewed Close Finding the limit of $\log(1+ax)/\log(1+x)$
Apr
23
reviewed Close Select 100 integers from 1,2,…,200
Apr
22
reviewed Reviewed Has anyone proven how to trisect an angle with a compass and ruler?
Apr
22
reviewed Close Can't do NFA to DFA
Apr
22
reviewed Close Drawing Bijections for one set
Apr
22
reviewed Close What is the densest, most opaque way of saying two odd numbers add up to an even number?
Apr
22
reviewed Close Heuristics for streaming data matching
Apr
22
reviewed Leave Open Calculate the infinite sum $\sum_{1}^\infty \frac{\log{n}}{2n-1}$
Apr
22
reviewed Close Calculate distance between known intersecting points
Apr
22
reviewed Leave Open Why is Wolfram Alpha miscomputing this problem?
Apr
21
reviewed Close Prove this inequality $\frac{a}{b+cd}+\frac{b}{c+da}+\frac{c}{d+ab}+\frac{d}{a+bc}≥\frac{16}{5}$
Apr
21
reviewed Leave Open Smallest number of points on plane that guarantees an angle of at most $18^\circ$
Apr
21
reviewed Leave Open Primitive elements proof
Apr
21
reviewed Close Tricky probablity problem with constraints
Apr
21
reviewed Close Evaluate the integral $\int \sin(x)\cos(3x^2)dx$
Apr
21
reviewed Leave Open How many scientists can survive?
Apr
21
reviewed Leave Closed My dilemma about $0^0$