Question

A circle x + y - 2ax +2y = 0 cuts the axis of x at the point A and it circumscribes an equilateral
triangle with OA as one of the sides, where O is the origin. Find the value of a and the vertices
of the equilateral triangle.
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Answer 1

Answer:

A circle x + y - 2ax +2y = 0 cuts the axis of x at the point A and it circumscribes an equilateral

triangle with OA as one of the sides, where O is the origin. Find the value of a and the vertices

of the equilateral triangle.