Question

Point P is the centre of the circle and AB is a diameter. Find the coordinates of
point B if coordinates of point A and P are (2, -3) and (-2, 0) respectively.
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Answer 1

Answer:

Tangent to the circle x2+y2=a2 at any point on it in the first quadrant makes intercepts OA and OB on x and y axes respectively, O being the centre of the circle. Find the minimum value of OA+OB .