Matrices & Determinants
Properties of determinants
Grade 12

Question:

<p>If \(\det(A)\)=5, then det(A\)^{-1} + \(A\)^T) equals:</p>
<p>(A) 6</p>
<p>(B) cannot be determined</p>
<p>(C) 5</p>
<p>(D) 1</p>

Step-by-Step Solution

Key Concept: No rule for determinant of sum.
1. Expression involves sum 2. No direct formula 3. Cannot determine
Correct Answer: 2

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