Matrices & Determinants
Properties of determinants
Grade 12

Question:

<p>If \(\Delta\) = 5 and one row is multiplied by 3, new determinant is:</p>
15
5
8
10

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

Master Matrices & Determinants with Mathbee

Practice this topic under real exam conditions with strict timers, or ask our AI Mentor to explain the concepts step-by-step.

Start Practicing for Free