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Factor and cancel x − 1 in (x² − 1)/(x² − 3x + 2). What limit results at x = 1?
A2
B0
C−1
D−2
Answer & Solution
Correct answer: D. −2
Cancelling x − 1 gives (x + 1)/(x − 2), which equals 2/(−1) = −2 at x = 1.
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