Matrices & Determinants
Inverse of a matrix
Grade 12

Question:

<p>If \(\det(A)\)=2, then det((A\)^{-1})^T) equals:</p>
<p>(A) 1/2</p>
<p>(B) 2</p>
<p>(C) 1</p>
<p>(D) 4</p>

Step-by-Step Solution

Key Concept: Transpose does not change determinant; inverse gives reciprocal.
1. det(A$^{-1})=1/2 2. Transpose \Rightarrow same 3. Answer = 1/2
Correct Answer: 1

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