Mathematics 9709 · AS & A Level · Complex numbers

Complex numbers — practice question

(main)[6]

Solve the quadratic equation $(1-3i)z^2 - (2+i)z + i = 0$, and give your answers in the form $x + iy$, where $x$ and $y$ are real.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: Use the quadratic formula to determine $z$

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