2000001508 | math4u.vsb.cz

SubArea:

Quadratic equations with complex roots

Level:

Project ID:

2000001508

Accepted:

0

Clonable:

0

Easy:

1

Which of the given numbers is not the solution of the equation

(x - i) (2 x + i) = 0

?

x = 1

x = i

x = - \frac{1}{2} i

x = \cos \frac{π}{2} + i \sin \frac{π}{2}