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Co - ordinate Geometry 3D Geometry

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The direction cosines of the line which is perpendicular to the lines with direction cosines proportional to 6, 4, –4 and –6, 2, 1 is

A. 2,3,6

B. 2/7, 3/7, 6/7

C. 2/3, 12

D. 1/3, 3/2, 3

E. None of the above

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Correct choice: B

Explanation:

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Eamcet Mathematics Co - ordinate Geometry 3D Geometry

Eamcet Mathematics
Co - ordinate Geometry 3D Geometry