Mathematics · Matrices and Determinants
Consider two systems of 3 linear equations in 3 unknowns AX = B and CX = D. If AX = B has the unique solution X = D and CX = D has the unique solution X = B, then the solution of (A - C-1) X = O is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B - D
- 2B + D
- 3D✓
- 4B
Correct answer
D
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