Mathematics · Matrices and Determinants
Given the 3x3 matrix A: [ 1 1 3 ] [ 1 3 -3 ] [-2 -4 -4 ] Which of the following represents its inverse matrix A-1?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[ 3 1 1.5 ] [-1.25 -0.25 -0.75 ] [-0.25 -0.75 -0.25 ]
- 2[ 3 1 1.5 ] [-1.25 -0.25 -0.75 ] [-0.25 -0.25 -0.25 ]✓
- 3[ 3 1 1.5 ] [-1.25 -0.75 -0.25 ] [-0.25 -0.25 -0.25 ]
- 4[ 3 1 1.5 ] [-1.50 -0.25 -0.75 ] [-0.25 -0.25 -0.25 ]
Correct answer
[ 3 1 1.5 ] [-1.25 -0.25 -0.75 ] [-0.25 -0.25 -0.25 ]
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