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Mathematics 20 Online
OpenStudy (anonymous):

Show that the line passing through the point (2,3,4) and parallel to the vector i-k is a tangent to the sphere with cenre (-1,2,3) and radius 3.

OpenStudy (anonymous):

@ash2326 @hartnn

OpenStudy (anonymous):

@.Sam. @ganeshie8

OpenStudy (anonymous):

Study this link http://www.vitutor.com/geometry/space/line_space.html

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