Question

The value of $\frac{2m\pi}{n(n + 1)}$

• A. $4m\pi$
• B. – 2
• C. $\theta$
• D. – 4

Answer 1

Answer: (B)

– 2

Answer 2

$\left| \frac{z_{1} + z_{2}}{z_{1} - z_{2}} \right|$

$\frac{z_{1}}{z_{2}}$