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20050501
2-7-4
Using the Action Menu
uu
uu
u expand
Function: Expands an expression.
Syntax: expand (Exp/Eq/Ineq/List/Mat [
)
]
expand (Exp,variable [
)
]
• Ineq (inequality) includes the “” (not equal to) relational operator.
• If you specify a variable, Exp is decomposed into partial fractions, with respect to the
variable.
Example: To expand (x + 2)
2
Menu Item: [Action][Transformation][expand]
Example: To decompose into partial fractions, with respect to x
Menu Item: [Action][Transformation][expand]
uu
uu
u factor
Function: Factors an expression.
Syntax: factor (Exp/Eq/Ineq/List/Mat [
)
]
• Ineq (inequality) includes the “” (not equal to) relational operator.
Example: To factor x
2
Ҁ 4x + 4
Menu Item: [Action][Transformation][factor]
uu
uu
u rFactor
Function: Factors an expression up to its roots, if any.
Syntax: rFactor (Exp/Eq/Ineq/List/Mat [
)
]
• Ineq (inequality) includes the “” (not equal to) relational operator.
Example: To factor x
2
Ҁ 3
Menu Item: [Action][Transformation][rFactor]
uu
uu
u factorOut
Function: Factors out an expression with respect to a specified factor.
Syntax: factorOut (Exp/Eq/Ineq/List/Mat, Exp [
)
]
• Ineq (inequality) includes the “” (not equal to) relational operator.
Example: To factor “a” out ax
2
+ bx + c
Menu Item: [Action][Transformation][factorOut]
2003020120030901
(x
4
– 1)
1