Paper 1 · Complex Numbers ⏱ Tested in 3 exam questions since 2022 Lesson 2 of 17

Complex Numbers 2 – Addition, Subtraction, Multiplication

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You’ll learn

  • Add and subtract complex numbers by collecting real parts with real, imaginary with imaginary
  • Multiply complex numbers with the distributive method, substituting i² = −1
  • Leave every answer in rectangular form a + bi, even when the imaginary part is 0

Most recent exam questions

  • 2024 P1 Q4(a) — deferred
  • 2022 P1 Q1(a) — deferred
  • 2022 P1 Q3(a)(i)

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