IB skill practice

Operate with complex numbers

Add, multiply, divide, and interpret complex numbers in Cartesian form.

Paper 1, Paper 2 5 marks Difficulty 3

Operate with complex numbers - complex arithmetic item

Case B1. Use the complex-plane diagram and calculate the requested real, imaginary, product, conjugate, or power quantity.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.