The value of the natural frequency obtained by Rayleigh's method:

1.	The value of the natural frequency obtained by Rayleigh's method:
A.	Is always greater than the actual fundamental frequency
B.	Is always less than the actual fundamental frequency
C.	Depends upon the initial deflection curve chosen and may be greater than or less than the actual fundamental frequency
D.	Is independent of the initial deflection curve chosen.
Answer» B. Is always less than the actual fundamental frequency

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The value of the natural frequency obtained by Rayleigh's method:

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