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Elementary methods for bounding definite integrals
What right triangles with legs of integer length have the property that their area equals their perimeter?
Generalizations of the problem: A goat is tethered to the edge of a disc shaped field of radius \(r\). The goat's rope is of length \(kr\). If the field is \(n\)-dimensional, what fraction...
Generalization of the fact that \(n^2-n+2\) is the maximum number of disjoint regions in the plane that can be formed by \(n\) circles using the basic set operations
Matrix algebra is used to describe geometric loci.
Elementary derivation for probability of relative primality
Classroom demonstrations of physical properties
Counting techniques for sequences of zeros and ones
Uses geometry and integration to relate hyperbolic and exponential functions