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Home > CALC > Chapter 3 > Lesson 3.3.3 > Problem 3-123


Evaluate each limit. If the limit does not exist, say so but also state if is approaching positive or negative infinity.

  1. As with all limits where or , compare the highest-power term in the numerator with the highest-power term in the denominator. Be sure to consider coefficients.

  1. This is Ana's method to find a derivative. If you need more guidance, refer to the hints in problem 3-110 part (b).

    Or you could multiply the numerator and the denominator by the conjugate of 

  1. When you evaluate at , there is a in the denominator. Perhaps you can cancel it out. Try factoring.

  1. Refer to the hint in part (a).