Question

Let [–2 – (1/3) i ]³ = (x + iy)/27 (i = √–1), where x and y are real numbers, then y – x equals:
(A) 91 (B) –85
(C) 85 (D) –91

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Step-by-step explanation:

hope it helps you guys