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Squares differ: (x^2 - 9)/(x - 3) has which limiting value at x = 3?
AEqual to 3
BEqual to 9
CEqual to 6
DEqual to 0
Answer & Solution
Correct answer: C. Equal to 6
Cancelling the common factor x - 3 leaves x + 3, which is 6 at x = 3.
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