9000031003 | math4u.vsb.cz

SubArea:

Higher degree equations and inequalities

Level:

Project ID:

9000031003

Source Problem:

Accepted:

1

Clonable:

1

Easy:

0

Assuming

x \in R

, solve the following algebraic equation.

x^{4} + 4 x^{2} - 5 = 0

{- 1; 1}

{1}

{- \sqrt{5}; - 1; 1; \sqrt{5}}

\emptyset