Complex Numbers

A series of free video lessons on Complex Numbers suitable for A Level Maths.

Modulus and argument of a complex number
Past Paper: FP1 Edexcel January 2013 Q2

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Complex Numbers - FP1 Edexcel Maths A-Level

Modulus and argument of a complex number

Complex Numbers : FP1 Edexcel January 2013 Q2

Example:
z = 50/(3 + 4i)
Find in the form of a + ib, where a,b ∈ ℜ
(a) z
(b) z²
Find
(c) |z|
(d) arg Z², giving your answer in degrees to 1 decimal place.

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