Determinants · Class 12 · CBSE · Science Mathematics
Evaluate the determinant |2 3; 1 4|.
Practice question from Determinants (Class 12 · CBSE · Science Mathematics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-B06089
Evaluate the determinant |2 3; 1 4|.
- A.5Correct answer
- B.8
- C.11
- D.−5
Solution
For a 2 × 2 determinant, |a b; c d| = ad − bc. Hence, |2 3; 1 4| = 2 × 4 − 3 × 1 = 5.
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