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JEE Main 2005 Mathematics question

MathematicsThree Dimensional GeometryJEE Main 2005

If the plane passes through the midpoint of the line joining the centres of the spheres and , then a equals

Answer: (3)

Solution

Centres: (−3, 4, 1) and (5, −2, 1); midpoint (1, 1, 1). Substituting:

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Question ID VK-038729