Complex Numbers

Related Topics:
Complex Number Worksheets

Examples, solutions, videos, activities and worksheets that are suitable for A Level Maths.

Share this page to Google Classroom

FP1 Complex Numbers (Edexcel Further Pure Maths)
Basics - video on powers of i

Complex Numbers: Addition, Subtraction and Multiplication
z1 = 3 + 2i
z2 = 4 - 3i

  1. z1 + z2
  2. z1 - z2
  3. 5z1
  4. i2
  5. z1z2
    Expand the following:
  6. i3
  7. i4
  8. 2i8 - (3i)2
  9. (3 - 2i)4

FP1 Edexcel January 2013 Q2
z = 50/(3 + 4i)
Find in the form ai + b where a,b ∈ ℝ,
(a) z
(b) z2
(c) |z|
(d) arg z2, giving your answer in degrees to 1 decimal place.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Mathway Calculator Widget

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.