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Unformatted text preview: x+1=sqrt(2) x=sqrt(2)1 These would be hard to find by just guessing. Also, note that there is a +/ symbol, showing that there are two roots, one using the + sign and the other using the sign. This is usual for quadratics. A quadratic is also known as a seconddegree polynomial, it can have at most two distinct roots (which do not have to be real numbers)....
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 Spring '10
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