Level:
Project ID:
9000031006
Accepted:
1
Clonable:
0
Easy:
0
The following equation has a double solution
\(x = 1\). Find
all solutions.
\[
x^{4} + 2x^{3} - 3x^{2} - 4x + 4 = 0
\]
\(K = \{ - 2;1\}\)
\(K = \{ - 2;1;2\}\)
\(K = \{ - 2;0;1\}\)
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