(Solved): Q1) Let the input to the system shown in Fig Q1, to be \( x(t)=4+12 \cos ^{2}\left(\pi f_{t} t\rig ...

Q1) Let the input to the system shown in Fig Q1, to be \( x(t)=4+12 \cos ^{2}\left(\pi f_{t} t\right)+8 \sin \left(2 \pi f_{o} t\right)+10 \sin \left(4 \pi f_{o} t\right) \), and the transfer function \( H(f)=\left\{\begin{array}{ll}1 / 5 & -1.5 f_{0}