Matrices & Determinants
System of linear equations
Grade 12
Question:
<p>If determinant is zero, then system of linear equations is:</p>
unique solution
no solution or infinite
exactly one
always infinite
Step-by-Step Solution
Key Concept: Zero determinant implies system is either inconsistent or dependent.
1. $\Delta$ = 0
2. System is singular
3. Either no solution or infinite
Correct Answer: 2