1.

What is the response of the system with impulse response h(n)=(1/2)nu(n) and the input signal x(n)=10-5sin n/2+20cos n?

A. 20- ( frac{10}{ sqrt{5}} sin( /2n-26.60)+ frac{40}{3}cos n )
B. 20- ( frac{10}{ sqrt{5}} sin( /2n-26.60)+ 40cos n )
C. 20- ( frac{10}{ sqrt{5}} sin( /2n+26.60)+ frac{40}{3cos n} )
D. None of the mentioned
Answer» B. 20- ( frac{10}{ sqrt{5}} sin( /2n-26.60)+ 40cos n )


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