Operations with Complex Numbers: Examples of addition, subtraction, and multiplication of complex numbers, with key properties of imaginary unit i.
A whiteboard displaying math problems involving operations with complex numbers, including addition, subtraction, and multiplication, with examples like (3 - 2i) + (4 + 5i) and (3 + i)(2 + 2i), and notes on i² = -1 and √-1 = i.