The sinusoid x(t) =6cos10πt is sampled at the rate of 15 Hz and applied to ideal rectangular LPF with cut-off frequency of 10 Hz, then the output of filter contains:

10π rad/sec and 20π rad/sec components

+10π rad/sec and +20π rad/sec components

The sinusoid x(t) =6cos10πt is sampled at the rate of 15 Hz and app

1.	The sinusoid x(t) =6cos10πt is sampled at the rate of 15 Hz and applied to ideal rectangular LPF with cut-off frequency of 10 Hz, then the output of filter contains:
A.	Only 10π rad/sec component
B.	10π rad/sec component
C.	10π rad/sec and 20π rad/sec components
D.	+10π rad/sec and +20π rad/sec components
Answer» C. 10π rad/sec and 20π rad/sec components

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The sinusoid x(t) =6cos10πt is sampled at the rate of 15 Hz and applied to ideal rectangular LPF with cut-off frequency of 10 Hz, then the output of filter contains:

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