What is the cutoff frequency of the Butterworth filter with a pass band gain KP=-1 dB at P=4 rad/sec and stop band attenuation greater than or equal to 20dB at S=8 rad/sec?

What is the cutoff frequency of the Butterworth filter with a pass ban

1.	What is the cutoff frequency of the Butterworth filter with a pass band gain KP=-1 dB at P=4 rad/sec and stop band attenuation greater than or equal to 20dB at S=8 rad/sec?
A.	3.5787 rad/sec
B.	1.069 rad/sec
C.	6 rad/sec
D.	4.5787 rad/sec
Answer» E.

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What is the cutoff frequency of the Butterworth filter with a pass band gain KP=-1 dB at P=4 rad/sec and stop band attenuation greater than or equal to 20dB at S=8 rad/sec?

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