9709 P32 - Mar 2026 - Q2
4325
The complex number \(z\) satisfies \(|z|=9\) and \(\frac12\pi\leq \arg z<\pi\).
(a) On the Argand diagram, sketch the locus of the points representing \(z\).
(b) On the same diagram, sketch the locus of the points representing \(z^*+3\).
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