### Video resources

- Complex numbers
- The factor theorem
- Introduction to
*i*, the square root of -1 - Complex numbers (part 0, part 1, part 2)
- Complex conjugate example
- Argand diagram, modulus-argument form of complex numbers, exponential form of complex numbers (you don’t need exponential form for FP1)

- Numerical solutions
- Coordinate systems
- Matrices
- Entire Khan Academy matrices chapter (go as far as ‘Matrices to solve a system of equations’)
- Exam questions (more)

- Series
- Proof by induction