Q7 of 112 Page 1156

The angle between the lines and is

Let and and






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A line passes through the points A(2, -1, 4) and B(1, 2, -2). The equations of the line AB are

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The angle between the lines and is

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

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