Texas Instruments TITANIUM TI-89 - Manual (Page 78)

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Solving Equations with a Domain Constraint Solving Equations with a Domain Constraint Solving Equations with a Domain Constraint Solving Equations with a Domain Constraint
Solving Inequalities Solving Inequalities Solving Inequalities Solving Inequalities
Steps and keystrokes Display
Solve the equation x
2
N2xN6=2 with respect to
x where x is greater than zero. The “with” (I)
operator provides domain constraint.
Press „ 1 X Z 2 | 2 X | 6 Á 2 b X d Í
X 2 Ã 0 ¸
Steps and keystrokes Display
Solve the inequality (x
2
>1,x) with respect to x.
Press „ 1 X Z 2 2 Ã 1 d ¸