 
             
            Signals and Systems - Engineering
| Q1: Magnitude Plot of a Composite signal x(t) = e2jt + e3jt isA half wave rectified sinusoidal
  B full wave rectified sinusoidal
  C exponentially increasing sinusoidal
  D exponentially decreasing sinusoidal
  ANS:B - full wave rectified sinusoidal 
                                                    x(t) = e2jt
  ⇒ x(t) = 2ej2.5t cos(0.5t)
The magnitude |x(t)| = 2 cos |0.5t| which is a full rectified wave. | 
 
             
                            
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