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Form 4 Additional Mathematics
Drawing conics
Click the small red cross to clear the locus of the line.
What is the green line with repect of the locus D when C moves?
Drag B and observe change of locus. What happens to the locus of D if B is (1) on A? (2) inside the circle? (3) outside the circle?
Q is a variable point on a fixed circle. Let Q = (cos @ , sin @).
P is the mid-point of the line segment through Q.
What is the coordinates of P in terms of @?
What is the locus of P when Q moves?
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