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Rational Expressions
easy
0:00.0
Simplify:
\ac
x
−
1
1
−
x
\ac{x-1}{1-x}
\ac
x
−
1
1
−
x
(assume
x
e
q
1
x eq 1
x
e
q
1
).
A
-1
B
1
C
0
D
Undefined
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