Question

What is the value of the following complex line integral counter-clockwise ?
$\oint_{|z|=3}\frac{8}{z(z-2)(z-4)}dz$

• A. +j2π
• B. -j2π
• C. -j10π
• D. +j10π

Answer 1

Answer: (B)

-j2π

Answer 2

The correct option is (B) : -j2π.