Which of the following is the quotient of the complex numbers below?

Answer:
The correct choice is option C. -7/5 + 11/5i
Step-by-step explanation:
3 + 5i / 1 - 2i
= (3 × 1 + 5 (-2)) + (5 × 1 - 3(-2)) / 1^2 + (-2)^2
= -7 + 11i / 5
= -7/5 + 11/5i