Question

I need help with work

Answer 1

Answer:

Let's C... Biii... ;)

Step-by-step explanation:

Answer 2

Answer:

(A) $\dfrac{12 + 6i}{5}$

Step-by-step explanation:

$\dfrac{6}{2 - i} =$

$= \dfrac{6}{2 - i} \times \dfrac{2 + i}{2 + i}$

$= \dfrac{6(2 + i)}{(2 - i)(2 + i)}$

$= \dfrac{12 + 6i}{2^2 - i^2}$

$= \dfrac{12 + 6i}{4 - (-1)}$

$= \dfrac{12 + 6i}{5}$