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**1. Problem Statment:**

Sketch the sequence x(n)=[itex]\delta[/itex](n) + exp(j[itex]\theta[/itex])[itex]\delta[/itex](n-1) + exp(j2[itex]\theta[/itex])[itex]\delta[/itex](n-2) + ...

**3. Attempt at the Solution:**

The angle theta is given in this case Can someone remind me of how to multiply a complex exponential by a delta function? This sequence represents impulse signals. Such multiplication yields a real and imaginary component. Would I ignore the imaginary component and essentially keep the cos(k[itex]\theta[/itex])? Thanks very much.

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