Paper 1 · Complex Numbers
⏱ Tested in 1 exam question since 2021
Lesson 5 of 17
Complex Numbers 5 – Modulus and conjugates
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- Split one complex equation into two real ones by equating real and imaginary parts
- Solve the resulting simultaneous equations for unknowns — without moving terms across the =
- Find the square root of a complex number by squaring both sides and equating parts
- Treat b⁴ + 3b² − 4 = 0 as a quadratic in b², rejecting non-real roots
Most recent exam questions
- 2021 P1 Q1(b)
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