Level:
Project ID:
2000019108
Accepted:
0
Clonable:
0
Easy:
1
Determine the set of all values of the parameter \( a \in \mathbb{R} \setminus \{-2;2\}\) for which the equation has an infinite number of solutions.
\[
\frac{x-a}{2-a} = \frac{x+a}{2+a}
\]
\( \{0\}\)
\( \{-1\}\)
\( \{1\}\)
\(\emptyset\)