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Rational Expressions and Restrictions
Grade Level
GMAT
DI.067 Rational Expressions and Restrictions
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Solve 1/(n - 1) = 1/(n + 1) + 2/(n
2
- 1), excluding all denominator-zero values.
A
All real n except n = -1 and n = 1
B
n = -1 or n = 1 only
C
All real n
D
No solution
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