devil's curve


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devil's curve

[′dev·əlz ′kərv]
(mathematics)
A plane curve whose equation in Cartesian coordinates x and y is y 4- a 2 y 2= x 4- b 2 x 2, where a and b are constants. Also known as devil on two sticks.
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Peru bus crash leaves 48 dead AT LEAST 48 people were killed in Peru when a bus tumbled down a cliff from a narrow stretch of road known as the Devil's Curve, authorities said.