Level:
Project ID:
2010013305
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
The number \(\sqrt{2}\left(\cos \frac{3\pi}
{4} + \mathrm{i}\sin \frac{3\pi}
{4}\right) \)
is a solution of a quadratic equation with real valued coefficients. Find the second
solution.
\(\sqrt{2}\left(\cos \frac{5\pi}
{4} + \mathrm{i}\sin \frac{5\pi}
{4}\right) \)
\(\sqrt{2}\left(\cos \frac{\pi}
{4} + \mathrm{i}\sin \frac{\pi}
{4}\right) \)
\(\sqrt{2}\left(\cos \frac{7\pi}
{4} + \mathrm{i}\sin \frac{7\pi}
{4}\right) \)
\(\sqrt{2}\left(\cos \frac{3\pi}
{4} + \mathrm{i}\sin \frac{3\pi}
{4}\right) \)