Without expansion, show that $\left|\begin{array}{cc… |

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Without expansion, show that $\left|\begin{array}{cc… | | Notely

Q5Short4 marks2022 · Annual

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\left|\begin{array}{ccc} 2 & 3 & -1 \\ 1 & 1 & 0 \\ 2 & -3 & 5 \end{array}\right| = 0\text{.}

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2.4 Exercise 2.4

Evaluate determinant of 3 × 3 matrices by using cofactors and properties of determinants.

Recall complex number z represented by an expression of the form z = a + ib or of the form (a, b) where a and b are real numbers and i = √−1.

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2.4 Exercise 2.4

Evaluate determinant of 3 × 3 matrices by using cofactors and properties of determinants.

Recall complex number z represented by an expression of the form z = a + ib or of the form (a, b) where a and b are real numbers and i = √−1.