Matrices & Determinants
Rank
Grade 12
Question:
<p>If determinant is zero but matrix not zero matrix, rank is:</p>
0
less than order
equal to order
infinite
Step-by-Step Solution
Key Concept: Zero determinant \Rightarrow rank < order but not necessarily zero.
1. $\Delta$ = 0
2. Matrix singular
3. Rank $<$ order
Correct Answer: 2