3 public questions tagged with this topic.
Recall the rule after simplifying, S = 0, 2, 3 is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XII — Matrices and Determinants
Look at it this way: using formula we get null matrix. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get null matrix.
Ref: NCERT Mathematics Class XII — Matrices and Determinants
Understanding this is easy: complete solution: write formula, plug data, do arithmetic. Final value matches The determinant is equal to 0. Simple and accurate.
Ref: NCERT Mathematics Class XII — Matrices and Determinants
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