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After setting up a quartic equation in $x$ or $y$, determine the square roots of $24 - 7i$ in exact Cartesian form.
Mathematics 9709 · AS & A Level · Complex numbers
Complex numbers — practice question
The square roots of $24 - 7i$ may be written in Cartesian form as $x + iy$, with $x$ and $y$ both real and exact.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Square $x+iy$ and match the real and imaginary parts accurately” …
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