Common Calculus Mistakes
Limits |

The Goal
Find
The Mistake
Find the mistake: (Roll the mouse over the math to see hints in red) The Correction
(Roll the mouse over the area above to see the correction in blue) An Explanation
The technique of factoring the numerator and then cancelling (which is valid since x is never actually equal to three in the limit computation) is an appropriate strategy. The first mistake was to factor incorrectly. The second mistake was one of |

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