3. If A+ I= 4. -2 then ( A+I )( A-I ) is equal to 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 6E
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3 -2
If A+ I =
4
then (A+I )( A-I) is equal to
Transcribed Image Text:3 -2 If A+ I = 4 then (A+I )( A-I) is equal to
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