Solve for $x$: $\begin{vmatrix} x & -1 \\ 5 & 1-x \e… |

Q3Short4 marks2023 · Annual

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2.3 Exercise 2.3

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.

Carryout basic operations on complex numbers.