If A is the 2 x 2 matrix given by a b A = and if ad – bc + 0, the inverse is given by 1 d -b A-1 = ad – bc -c a Use the formula above to find the inverse of the 2 x 2 matrix (if it exists). (If an answer does not exist, enter DNE.) 1 -6 6.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.7: The Inverse Of A Matrix
Problem 4E
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11.
If A is the 2 x 2 matrix given by
a b
A =
and if ad – bc + 0, the inverse is given by
1
d -b
A-1 =
ad – bc
-c
a
Use the formula above to find the inverse of the 2 x 2 matrix (if it exists). (If an answer does not exist, enter DNE.)
1 -6
6.
Transcribed Image Text:If A is the 2 x 2 matrix given by a b A = and if ad – bc + 0, the inverse is given by 1 d -b A-1 = ad – bc -c a Use the formula above to find the inverse of the 2 x 2 matrix (if it exists). (If an answer does not exist, enter DNE.) 1 -6 6.
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