Matrices & Determinants
Properties of determinants
Grade 12
Question:
<p>If \(\Delta\) = 5 and one row is multiplied by 3, new determinant is:</p>
Step-by-Step Solution
Key Concept: Row scaling multiplies determinant by same factor.
1. Multiply row by 3
2. New determinant = 3 \times 5 = 15
Correct Answer: 1