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Chapter 8

# Evaluating Limits

In This Chapter

Calculating limits with a calculator

Multiplying conjugates

Solving limits with a sandwich

Finding limits at infinity

Chapter 7 introduces the concept of a limit. This chapter gets down to the nitty-gritty and presents several techniques for calculating the answers to limits problems. And while I suspect that you were radically rapt and totally transfixed by the material in Chapter 7 — and, don’t get me wrong, that’s important stuff — it’s the problem-solving methods in this chapter that really pay the bills.

## Easy Limits

A few limit problems are very easy. So easy that I don’t have to waste your time with unnecessary introductory remarks and unneeded words that take up space and do nothing to further your knowledge of the subject — instead, I can just cut to the chase and give you only the critical facts and get to the point and get down to business and … Okay, so are you ready?

### Limits to memorize

You should memorize the following limits. If you fail to memorize the limits in the last three bullets, you could waste a lot of time trying ...

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