$3\left(\frac{1+i}{\sqrt{2}}\right)$

$-\left(\frac{3+\sqrt{2}+3 i}{\sqrt{2}}\right)$

$-\left(\frac{3+\sqrt{2}+i}{\sqrt{2}}\right)$

$-\left(\frac{3+3 i}{\sqrt{2}}\right)$

$\frac{\pi}{2}$

$\frac{\pi}{3}$

$-\frac{5 \pi}{12}$

$-\frac{\pi}{6}$

$x^2+y^2-3 x+3 y=0,(x, y) \neq(0,-3)$

$2 x y-3 x+3 y+9=0,(x, y) \neq(0,-3)$

$x-y-3=0,(x, y) \neq(0,-3)$

$x+y+3=0,(x, y) \neq(0,-3)$

$1024 \sqrt{3}$

1024

2048

$512 \sqrt{3}$