ISRO Electronics & Communication (ECE) 2010 - Question 75

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Topic: Electronics Engineering

The value of the integral $\int sin~z/z^{3}$ dz around the circle $|z|=2$ is

  • A. 1
  • B. 0
  • C. $-1/2$
  • D. $1/2$

Answer: B. 0

Explanation: Using Cauchy integral theorem.

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