EXERCISE 2.2

EXERCISE . . Evaluate the following if z and w (i) z w (ii) z i w (iii) w (iv) z w (v) z zw w (vi) z w . . Given the complex number z , represent the complex numbers in Argand diagram. (i) z iz , and z iz (ii) z iz , − , and z iz . Find the values of the real numbers x and y , if the complex numbers i x i y and i y are equal.