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Review: Non-Linear Equation
Explanation
In this question, finding a common denominator or
multiplying across would get a bit ugly, so we can try cases from the answer
choices. We'll skip (A) for now. We can try (B), where 
.
That gives 
,
which is false, so (B) is out. (C) is out, because we cannot have 
.
In (D), 
is false. In (E), 
or 
is false. We have eliminated everything except
(A).
The correct answer is (A).
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