Matrices & Determinants
Properties of determinants
Grade 12
Question:
<p>If det(A)=a and det(B)=b, then det((AB)^2) equals:</p>
\((ab)^2\)
\(ab^2\)
\(a^2b\)
ab
Step-by-Step Solution
Key Concept: det((AB)^2) = (det AB)^2 = (ab)^2.
1. det(AB)=ab
2. det((AB)^2)=$(ab)^2$
Correct Answer: 1