Matrices & Determinants
System of linear equations
Grade 12

Question:

<p>If determinant is non-zero, system of equations is:</p>
no solution
infinite solutions
unique solution
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Step-by-Step Solution

Key Concept: Non-zero determinant \Rightarrow unique solution exists.
1. $\Delta$ $\neq$ 0 2. System is non-singular 3. Unique solution exists
Correct Answer: 3

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