There are two ways to evaulate limits.
1.) Dividing Out Technique:
Factor the numerator and denominator. Then divide out the common factors. Finally solve by direct subtitution.
Ex.
2.) Rationalizing Technique:
Multiply by the conjugate of the numerator to rationalize the limit. This allows the fraction to be written in a simpler way so that direct substitution can take place.
Ex.
How to solve limits like a pro:
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