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Tchebycheff equation

[chuh-buh-shawf] /tʃə bəˈʃɔf/
noun, Mathematics.
a differential equation of the form (1 − x 2) d 2 y/dx 2x dy/dx + n 2 y = 0, where n is any nonnegative integer.
Also called Chebyshev equation.
Origin of Tchebycheff equation
named after Pafnutiĭ L. Chebyshev (1821-94), Russian mathematician Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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