SOLUTION: find the inverse of the matrix. -9 5 6 -3
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Question 347502
:
find the inverse of the matrix.
-9 5
6 -3
Answer by
fractalier(6550)
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Given a 2x2 square matrix
[a b]
[c d]
the inverse is found by
times
[d -b]
[-c a]
so your inverse is
(-1/3) times
[-3 -5]
[-6 -9]
OR
(1/3) times
[3 5]
[6 9]
OR
[1 5/3]
[2 3]