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Rational Expressions
hard
0:00.0
Find the sum of all values of
x
x
x
for which
x
−
2
x
2
−
1
=
0
\frac{x-2}{x^2-1} = 0
x
2
−
1
x
−
2
=
0
.
A
1
B
3
C
2
D
0
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