22:- prove the following. a) Even Signul \pm Even Signal = Even Signal b) Odd signal \pm Odd signal = Odd signal c) Even Even = Even signal d) Odd Signal odd Signal = Even Signal Q.3:- Determine if the following signals are Energy or power signals and then compite their energies or powers. a) x(t)={2,0,t[0,10]otherwise b) x(t)=Acos(t+) c) x[n]=10ej2n Q.4:- For the Signal x(t) shown in figure below, signal g g(t)=2x(3t