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

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