3-d

Related Questions

• The direction cosines of the line $x=y=z$ are

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• The equation of the plane which bisects the line joining (2, 3, 4) and (6, 7, 8) is

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• The direction cosines of a line equally inclined to three mutually perpendicular lines having direction cosines as ${{l}_{1}},{{m}_{1}},{{n}_{1}};{{l}_{2}},{{m}_{2}},{{n}_{2}}$ and ${{l}_{3}},{{m}_{3}},{{n}_{3}}$ are

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• If the points (0, 1, 2), (2, –1, 3) and (1, –3, 1) are the vertices of a triangle, then the triangle is

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• The equation of the straight line passing through (1, 2, 3) and perpendicular to the plane $x+2y-5z+9=0$ is

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