*The author gives a synthetic geometric proof answering the question in the title of the paper.*

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Displaying 1021 - 1030 of 1214

*The author gives a synthetic geometric proof answering the question in the title of the paper.*

*The author uses the golden matrix ring \(Z(A)\) generated by \(A= \left[ \begin{array}{cccc} 0 & 1 \\ 1 & 1 \end{array} \right] \) to prove certain identities involving Fibonacci...*

*A few simple models in the fields of neuroscience and high voltage engineering are presented and discussed.*

*The tangent of the sum formula is proved by using an inscribed quadrilateral whose longest side is the diameter of the circle, and the diagonals are perpendicular to the pair of oposite sides...*

*A 1932 Erdos conjecture on packing squares into a square is shown to be equivalent to a more general conjecture.*