Mathematics 9709 · AS & A Level · Complex numbers

Complex numbers — practice question

(main)[5]

Solve the quadratic equation $(3 + i)w^2 - 2w + 3 - i = 0$, and express your answers as $x + iy$, where $x$ and $y$ are real numbers.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: Apply the quadratic formula to determine $w$.

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