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Value of the integral  is:

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  1. 0.707
  2. 1.414
  3. 0
  4. 1

Answer (Detailed Solution Below)

Option 3 : 0
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Detailed Solution

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Unit impulse function:

It is defined as, 

The discrete-time version of the unit impulse is defined by

Properties:

1. 

2. 

3. x(t) δ(t – t0) = x(t0)

4. 

5. 

6. 

Calculation:

Apply the sifting property of the delta function:

 

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