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Complex Numbers · Part 5 of 5
3 exam-style questions with model answers, plus 4 quick multi-choice questions — every question on this part of the standard, grouped by the 1 page of notes they come from.
Write a full answer before you reveal the model one. That comparison is where the learning happens.
Describe fully the locus of points satisfying , stating the shape, its key point and its size.
Find the Cartesian equation of the locus , and describe the locus geometrically.
The locus is not a perpendicular bisector. Find its Cartesian equation, identify the curve exactly, and explain why the factor of 2 changes the shape.