Question: How do I solve this question 1 l 2 (3) Evaluate the determinant of |:3 1 1] by reducing it to upper triangular form. 2

How do I solve this question

How do I solve this question 1 l 2 (3) Evaluate
1 l 2 (3) Evaluate the determinant of |:3 1 1] by reducing it to upper triangular form. 2 l 3

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