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  • Civil Engg. (GATE) 2009
  • The value of the integral $\int\limits_c \frac{cos (2 \pi...
Multiple choice

The value of the integral $\int\limits_c \frac{cos (2 \pi z)}{(2z - 1)(z - 3)}dz$(where C is a closed curve given by |z| = 1) is

  1. $- \pi i$
  2. $\frac{\pi i}{5}$
  3. $\frac{2\pi i}{5}$
  4. $\pi i$
Reveal answer Fill a bubble to check yourself
C Correct answer

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