
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:If f(x) = 0 is a cubic equation whose roots are
a, ß, y and a is the harmonic mean of the roois
of f(x) = 0, then
(a) B? = aY
%3D
(b) y² = aß
%3D
(c) a² = By
(d) None of these
%3D
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