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Lupus

Lupus (the wolf) is a southern constellation. It is one of the 88 modern constellations and was also one of the 48 in Ptolemy's Almagest.

Lupus Erythematosus is an autoimmune disorder.

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Quadratic formula

... the common denominator is 4a2. We get <math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math> Taking square roots of ...