Texas Instruments PLUS TI-89 - Manual (Page 423)

406 Chapter 23: Activities
23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM Page 406 of 26
Enter the expressions shown below on the Home screen.
1. factor(x^3 ì 5x) ¸ displays a
rational result.
2. factor(x^3+5x) ¸ displays a
rational result.
3. factor(x^3 ì 5x,x) ¸ displays
a real result.
4. cfactor(x^3+5x,x) ¸ displays
a complex result.
Finding Rational, Real, and Complex Factors
This activity shows how to find rational, real, or complex
factors of expressions. Detailed information about the steps
used in this example can be found in Chapter 3: Symbolic
Manipulation.
Finding Factors