e) (3 f) i)–2 – g) h) i) + j) – If = , express in the form and b are real numbers. a + bi, a The Complex Plane In some branches of mathematics, it is convenient to view complex numbers, + , as x yi ordered pairs (x ; of real numbers. In that case, the set of complex numbers is defined by: y), ={z: z = ( ; where } x y), x , y When the complex number + is regarded as the ordered pair (x ; of real numbers, it can x yi y) be represented by the point in the with coordinates (x XY-Plane ; y). Consider the general complex number represented by: This number can be z = x + yi. represented by a vector from O to the P(x ; i.e.: z = . y);
e) (3 – i)–2 f) g) h) i) + j) – If = , express in the form a + bi, a and b are real numbers. The Complex Plane In some branches of mathematics, it is convenient to view complex numbers, x + yi , as ordered pairs (x ; y), of real numbers. In that case, the set of complex numbers is defined by: ={z: z = ( x ; y), where x , y } When the complex number x + yi is regarded as the ordered pair (x ; y) of real numbers, it can be represented by the point in the XY-Plane with coordinates (x ; y). Consider the general complex number represented by: z = x + yi. This number can be represented by a vector from O to the P(x ; y); i.e.: z = .
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