Question

$\Rightarrow$

• A. 0
• B. 1
• C. $- 1 + \sqrt{3}i = \left( - \frac{B}{2} - \frac{C}{2} + \frac{B}{2} - C \right) + \frac{i\sqrt{3}}{2}(C - 2B)$
• D. $\Rightarrow$

Answer 1

Answer: (B)

1

Answer 2

$\Rightarrow$

$x = 5^{2} = 25$.