AP EAMCET · Maths · Matrices
Consider two systems of 3 linear equations in 3 unknowns \(\mathrm{AX}=\mathrm{B}\) and \(C X=D\). If \(A X=B\) has unique solution \(D\) and \(C X=D\) has unique solution \(B\), then the solution of \(\left(\mathrm{A}-\mathrm{C}^{-1}\right) \mathrm{X}=\mathrm{O}\) is
- A B
- B D
- C \(B+D\)
- D \(B-D\)
Answer & Solution
Correct Answer
(B) D
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