Matrices & Determinants
Properties of determinants
Grade 12
Question:
<p>If determinant has identical columns, then determinant equals:</p>
<p>(A) 0</p>
<p>(B) \(\Delta\)</p>
<p>(C) 1</p>
<p>(D) depends</p>
Step-by-Step Solution
Key Concept: Identical columns \Rightarrow linear dependence \Rightarrow determinant = 0.
1. Two identical columns
2. Determinant = 0
Correct Answer: 1