Question 1

Paper 1Easy6 marks

A point PP on an Argand diagram is represented by z=1+2iz=1+2i

(a)

Write down the real part and the imaginary part of zz

[2]
(b)

Write down the complex conjugate of zz

[1]
(c)

Determine the distance of PP from the origin, in units.

[1]
(d)

Use your GDC to calculate z3z^3 giving your answer in Cartesian form.

[2]

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