(a)[3]
For the points on this locus, determine the greatest and least possible values of $|z|$.
(b)[3]
For the points on this locus, determine the smallest possible value of $\arg z$.
Mathematics 9709 · AS & A Level · Complex numbers
For the points on this locus, determine the greatest and least possible values of $|z|$.
For the points on this locus, determine the smallest possible value of $\arg z$.
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Use a correct method to find the distance from the origin to the centre of the circle” …