-1 is a:" - Step-by-step solution, answer key, and detailed explanation on MCA Prep."> -1 is a:" - Step-by-step solution, answer key, and detailed explanation on MCA Prep." /> -1 is a:" - Step-by-step solution, answer key, and detailed explanation on MCA Prep." />
If A is an invertible skew-symmetric matrix, then A<sup>-1</sup> is a:
A is skew-symmetric: \(A^T = -A\).
\((A^{-1})^T = (A^T)^{-1} = (-A)^{-1} = -A^{-1}\)
So \(A^{-1}\) is also skew-symmetric.
Answer: (B)
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