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JEE Main 2009 Mathematics question

MathematicsCircleJEE Main 2009

If and are the points of intersection of the circles and , then there is a circle passing through , and (1, 1) for

Answer: (1)

Solution

Circles through P and Q: (and itself). A circle through (1, 1) fails to exist only if (1, 1) lies on the common chord , i.e. , p = −1. But for p = −1 the

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Question ID VK-039178