Question

If $\frac{13}{10} + i\left( \frac{- 9}{10} \right)$ and $\frac{13}{10} + i\left( \frac{9}{10} \right)$ are two complex numbers, then $z = 3 + 5i,\text{then }z^{3} + \bar{z} + 198 =$ is.

• A. $- 3 - 5i$
• B. $- 3 + 5i$
• C. $3 + 5i$
• D. $3 - 5i$

Answer 1

Answer: (A)

$- 3 - 5i$

Answer 2

It is a fundamental property.