Matrices & Determinants
Inverse of a matrix
Grade 12
Question:
<p>If determinant \(\Delta\) is non-zero, then matrix is:</p>
singular
non-singular
zero
symmetric
Step-by-Step Solution
Key Concept: Non-zero determinant \Rightarrow invertible matrix.
1. $\Delta$ $\neq$ 0
2. Matrix is invertible
3. Hence non-singular
Correct Answer: 2