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# Advanced Problem Solving Module 18

### Complex Rotations

### Complex Partial Fractions

### Visualising and Representing Complex Numbers Live

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Learn about Complex Numbers and how to manipulate them to solve problems.

Age 16 to 18

Challenge Level

Choose some complex numbers and mark them by points on a graph.
Multiply your numbers by i once, twice, three times, four times,
..., n times? What happens?

Age 16 to 18

Challenge Level

To break down an algebraic fraction into partial fractions in which all the denominators are linear and all the numerators are constants you sometimes need complex numbers.

Age 16 to 18

Challenge Level

What are complex numbers, and how can we represent them?