If A is:

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16

Step-by-Step Examples

Introduction

Example 1

This chapter illustrates the power of CAS, and the Equation Writer, by working though a number of examples. Some of these examples are variations on questions from senior math examination papers.

The examples are given in order of increasing difficulty.

3

-- – 1 2

------------

1

-- + 1 2

calculate the result of A in the form of an irreducible fraction, showing each step of the calculation.

Solution: In the Equation

Writer, enter A by typing:

3 2 1

1 2 1

Now press to select the denominator (as shown above).

Press to simplify the denominator.

Now select the numerator by pressing .

Step-by-Step Examples

16-1