AM-2328

Equation of a circle (centre–radius form)

A Math · Secondary 4 · Medium · Equation of a circle (centre–radius form)

1. $k = 3 \pm 5\sqrt5$
2. $k = 3 \pm \sqrt5$
3. $k = 5 \pm 3\sqrt5$
4. $k = -3 \pm 5\sqrt5$

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