Mathematics 9709 · AS & A Level · Complex numbers

Complex numbers — practice question

(main)[5]

Solve the quadratic equation $(2+i)w^2+4w+2-i=0$. Give the solutions in the form $x+iy$, with $x$ and $y$ real.

Worked solution & mark scheme

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

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