GCSE Maths Practice: types-of-numbers

Question 1 of 10

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\( \begin{array}{l}\textbf{Which of the following is a complex number?}\end{array} \)

Choose one option:

6 4 + 3i 5

\( \begin{array}{l}\text{Complex numbers contain both} \\ \text{a real and an imaginary part.}\end{array} \)

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