If A is the 2 × 2 matrix given by a b A = c d 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 in any single blank.) 6 -3 4 -2

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter11: Matrices And Determinants
Section11.CR: Chapter Review
Problem 9CC
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If A is the 2 × 2 matrix given by
a b
A =
c d
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 in any single blank.)
6 -3
4 -2
Transcribed Image Text:If A is the 2 × 2 matrix given by a b A = c d 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 in any single blank.) 6 -3 4 -2
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