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The amplitude of vibration of a particle is given by aM=a02-+c where a0 , a, b and c are positive. The condition for a single resonant frequency is

a
b2 = 4ac
b
b2 > 4ac
c
b2 = 5ac
d
b2 = 7ac

detailed solution

Correct option is A

aω2-bω+c=0

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