
If A is:
hp40g+.book Page 1 Friday, December 9, 2005 1:03 AM
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
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 .
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