2010013306 | math4u.vsb.cz

SubArea:

Quadratic equations with complex roots

Level:

Project ID:

2010013306

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

Find the set of all values of the parameter

p \in R

for which the following quadratic equation has solutions with nonzero imaginary part.

9 p x^{2} + 5 x + p = 0

(- \infty; - \frac{5}{6}) \cup (\frac{5}{6}; \infty)

(- \frac{5}{6}; \frac{5}{6})

(\frac{5}{6}; \infty)

{- \frac{5}{6}; \frac{5}{6}}

R ∖ {- \frac{5}{6}; \frac{5}{6}}