Question

The value of $\int\limits_C \frac{\sin\pi z^2+\cos\pi z^2}{(z-1)(z-2)}dz$, where C is the circle |z|=3 is

• A. 4πi
• B. 8πi
• C. 2πi
• D. πi

Answer 1

Answer: (A)

4πi

Answer 2

The correct answer is(A): 4πi