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If f(x) = 0 is a cubic equation whose roots are a, B, y and a is the harmonic mean of the roois %3D of f(x) = 0, then (a) B² = ay (b) y² = aß %3D %3D (c) a² = By (d) None of these %3D

If f(x) = 0 is a cubic equation whose roots are a, B, y and a is the harmonic mean of the roois %3D of f(x) = 0, then (a) B² = ay (b) y² = aß %3D %3D (c) a² = By (d) None of these %3D

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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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
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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