CUET · MATHS · PYQ PAPER 2025
If P and Q are non-singular square matrices of the same order, then \(\left(P Q^{-1}\right)^{-1}\) equals
- A PQ
- B \(P^{-1} Q\)
- C \(P^{-1} Q^{-1}\)
- D \(Q P^{-1}\)
Answer & Solution
Correct Answer
(D) \(Q P^{-1}\)
Step-by-step Solution
Detailed explanation
\(\left(P Q^{-1}\right)^{-1} = (Q^{-1})^{-1} P^{-1}\) \(= Q P^{-1}\)
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