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Convergence articles

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How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students

Imagine an urn with two balls, each of which may be either white or black. One of these balls is drawn and is put back before a new one is drawn.
A man is walking across a bridge, when a boat passes under the bridge.How rapidly are the boat and the pedestrian separating after the boat passes under the bridge?
Prove that the area of a regular polygon can be given by the product of its perimeter and half the radius of the inscribed circle.
Page from al-Khwarizmi's algebra text written in about 825. The proof of the rule for solving a quadratic equation of the form "squares plus roots equal numbers".
A certain bishop ordered that 12 loaves be divided among his clergy.
Having been given the perimeter and perpendicular of a right angled triangle, it is required to find the triangle.
Page 7, Who's That Mathematician: Images from the Paul R. Halmos Photograph Collection: Blackwell, Halmos, Boas, Bollobas, Bombieri, Mumford, Bonsall, Rankin
Poster of Banneker, with a brief description of his life and work.
This is a collection of plates that Leonardo da Vinci created to illustrate De divina proportione of Luca Pacioli.

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