Dating methods in history

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According to Lou Sorkin, an insect expert at the American Museum of Natural History, there is no record of a Native American word for bed bugs, yet another indication of their colonial origins.

On the other hand, ample evidence from other parts of the world suggests that humans have been battling the critters for millennia.

The Greeks were able to solve the quadratic equation by geometric methods, and Euclid's (ca. Viète was among the first to replace geometric methods of solution with analytic ones, although he apparently did not grasp the idea of a general quadratic equation (Smith 1953, pp. An alternate form of the quadratic equation is given by dividing (◇) through by : Given a quadratic integer polynomial , consider the number of such polynomials that are factorable over the integers for and taken from some set of integers .

210-290) solved the quadratic equation, but giving only one root, even when both roots were positive (Smith 1951, p. A number of Indian mathematicians gave rules equivalent to the quadratic formula. Amazingly, the sequence for has the recurrence equation Biquadratic Equation, Carlyle Circle, Completing the Square, Conic Section, Cubic Equation, Fermat's Factorization Method, Polynomial Discriminant, Quadratic, Quadratic Formula, Quartic Equation, Quintic Equation, Sextic Equation Abramowitz, M.

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If a recent report is any indication, many New Yorkers aren’t sleeping too tight these days. The runners-up included Philadelphia, Detroit, Cincinnati and Chicago.Types included temporary fragrant lei such as maile and hala as well as non-perishable lei like lei niho palaoa (whale or walrus bone), lei pupu (shell) and lei hulu manu (feather).After long ocean voyages ceased and Hawaiians entered a period of cultural isolation (1300s-1778), they developed a richer variety of lei than anywhere else in Polynesia.It is possible that certain altar constructions dating from ca. 628) appears to have considered only one of them (Smith 1951, p. 500 BC represent solutions of the equation, but even should this be the case, there is no record of the method of solution (Smith 1953, p. The Hindu mathematician Āryabhata (475 or 476-550) gave a rule for the sum of a geometric series that shows knowledge of the quadratic equations with both solutions (Smith 1951, p.

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