Evaluate:

Here we need to simplify the expression:

Thus,

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#
Stumbling Robot

A Fraction of a Dot
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Evaluate the limit

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### Point out an error, ask a question, offer an alternative solution (to use Latex type [latexpage] at the top of your comment):

Evaluate:

Here we need to simplify the expression:

Thus,

The 2 functions ( (x^2 – 4)/(x-2) vs. x+2 ) aren’t equivalent since one is undefined at x=2 and the other isn’t, but you can say their limits are equal since disagreeing at a single point doesn’t change the limit.