Multiple choice If z is a complex variable, the value of $\int\limits_6^{3i}$$\frac{dz}{z}$ is – 0.511 – 1.57i – 0.511 + 1.57i 0.511 – 1.57i 0.511 + 1.57i Reveal answer Fill a bubble to check yourself B Correct answer Explanation Correct option is (2).