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CHAPTER13

Square and Cube Roots

In This Chapter

• Finding the square root of perfect squares
• Getting the square root of any given number
• Discovering the value of perfect cubes

Seeing the square root symbol on a page can inspire nervousness. In some cases, it can be a guessing game, just trying to multiply a number by itself to see if it’s even close. And then there’s the old standby—the calculator. But finding square or even cube roots doesn’t have to be so frustrating.

In this chapter, you learn some ways to painlessly find the square and cube roots of numbers.

Square Roots of Perfect Squares

To begin the discussion of roots, let me show you ...

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