In the theory of the motion of a sphere moving through a fluid, the function f(r) =

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In the theory of the motion of a sphere moving through a fluid, the function f(r) = 4r3 − 3ar2 − a3 is used. Is 

(a) r = a or

(b) r = 2a a zero of f(r)?

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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