Texas Instruments TITANIUM TI-89 User Manual

Page 259

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Symbolic Manipulation

259

Factoring and Expanding Polynomials

Factoring and Expanding Polynomials

Factoring and Expanding Polynomials

Factoring and Expanding Polynomials

Use the

factor

(

2

) and

expand

(

3

) functions.

Finding Prime Factors of a Number

Finding Prime Factors of a Number

Finding Prime Factors of a Number

Finding Prime Factors of a Number

The

factor

(

2

) function lets you do more than simply factor an algebraic polynomial.

Factor

x

5

N

1

. Then expand the result.

Notice that

factor

and

expand

perform

opposite operations.

You can find prime factors of a rational
number (either an integer or a ratio of
integers).

factor(expression

[,

var

]

)

for factoring with respect to a variable

expand(expression

[,

var

]

)

for partial expansion with respect to a
variable

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