The radius of the sphere with and as the extremities of a diameter is

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Three-Dimensional Geometry · Introduction to Three-Dimensional Geometry

Problem

The radius of the sphere with (2,−3,4)(2,-3,4) and (−5,6,−7)(-5,6,-7) as the extremities of a diameter is (1) 2512\sqrt{\frac{251}{2}} (2) 2513\sqrt{\frac{251}{3}} (3) 2514\sqrt{\frac{251}{4}} (4) 2515\sqrt{\frac{251}{5}}

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