Consider the polynomial equation .
x
4
−
2
x
3
+
3
x
2
−
4
x
+
1
=
0
Which one of the following statements
describes correctly the solution set of this equation?
x
4
−
2
x
3
+
3
x
2
−
4
x
+
1
=
0
Which one of the following statements
describes correctly the solution set of this equation?