Matrices & Determinants
Properties of determinants
Grade 12

Question:

<p>If \(\det(A)\)=4, then det((A\)^2)^{-1}) equals:</p>
<p>(A) 1/16</p>
<p>(B) 1/4</p>
<p>(C) 4</p>
<p>(D) 16</p>

Step-by-Step Solution

Key Concept: det((A$^2)^{-1}) = (det $A$^2)^{-1} = (det $A)⁻^2.
1. det(A$^2)=4^2=16 2. Inverse \Rightarrow 1/16
Correct Answer: 1

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