9000019805 | math4u.vsb.cz

SubArea:

Higher degree equations and inequalities

Level:

Project ID:

9000019805

Accepted:

1

Assuming

x \in R

, find the solution set of the following equation.

x^{4} + 2 x^{2} + 1 = 0

\emptyset

{- 1; 1}

{- 2; 2}

{0}