Understand the concept
The determinant of a 2×2 matrix is ad−bc.
Determinant of [2 3; 1 4]
- Step 1: 2×4−3×1=8−3.
Final answer: 5
Determinant of [1 2; 3 4]
Show the answer
−2
Try another similar question and explain each step aloud. Refer to your school syllabus for topic level and notation.