9000035605 | math4u.vsb.cz

SubArea:

Quadratic equations with complex roots

Level:

Project ID:

9000035605

Source Problem:

Accepted:

1

Clonable:

0

Easy:

0

The number

\cos \frac{7}{6} π + i \sin \frac{7}{6} π

is a solution of a quadratic equation with real valued coefficients. Find the second solution.

\cos \frac{5}{6} π + i \sin \frac{5}{6} π

\cos \frac{1}{6} π + i \sin \frac{1}{6} π

\cos \frac{7}{6} π + i \sin \frac{7}{6} π

\cos \frac{11}{6} π + i \sin \frac{11}{6} π