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27. Straight Line in Space
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Q10 of 112 Page 1156

The Cartesian equations of a line are Its vector equation is

Dixed point (1,-2,5) and the parallel vector is


Equation (î -2ĵ +5k̂ )+α ()

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8

A line is perpendicular to two lines having direction ratios 1, -2, -2 and 0, 2, 1. The direction cosines of the line are

9

A line passes through the point A(5, -2, 4) and it is parallel to the vector The vector equation of the line is

11

A line passes through the point
A(-2, 4, -5) and is parallel to the line The vector equation of the line is

12

The coordinates of the point where the line through the points A(5, 1, 6) and B(3, 4, 1) crosses the yz-plane is

Questions · 112
27. Straight Line in Space
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