Q. If $8 i z^{3} + 12 z^{2} - 18 z + 27 i = 0$ , then

2237 182 Complex Numbers and Quadratic Equations Report Error

A

$∣ z ∣ = \frac{3}{2}$

53%

B

$∣ z ∣ = \frac{2}{3}$

15%

C

$∣ z ∣ = 1$

22%

D

$∣ z ∣ = \frac{3}{4}$

10%

Solution:

Correct answer is (a) $∣ z ∣ = \frac{3}{2}$