Questions tagged 'Line'

• Distance of the point $({{x}_{1}},{{y}_{1}},{{z}_{1}})$ from the line $\frac{x-{{x}_{2}}}{l}=\frac{y-{{y}_{2}}}{m}=\frac{z-{{z}_{2}}}{n}$, where $l,$m and n are the direction cosines of line is
  Category: 3-d | Tags: Line
• If the co-ordinates of the points A, B, C, D be (1, 2, 3), (4, 5, 7), (–4, 3, –6) and (2, 9, 2) respectively, then the angle between the lines AB and CD is
  Category: 3-d | Tags: Line
• The angle between the lines $\frac{x}{1}=\frac{y}{0}=\frac{z}{-1}$ and $\frac{x}{3}=\frac{y}{4}=\frac{z}{5}$ is
  Category: 3-d | Tags: Line
• If $\frac{x-1}{l}=\frac{y-2}{m}=\frac{z+1}{n}$is the equation of the line through (1, 2, –1) and (–1, 0, 1), then (l, m, n) is
  Category: 3-d | Tags: Line
• If the angle between the lines whose direction ratios are 2,–1 , 2 and a, 3, 5 be $45{}^\circ $, then a =
  Category: 3-d | Tags: Line
• The point of intersection of lines $\frac{x-4}{5}=$ $\frac{y-1}{2}=\frac{z}{1}$ and $\frac{x-1}{2}=\frac{y-2}{3}=\frac{z-3}{4}$ is
  Category: 3-d | Tags: Line
• Direction ratios of two lines are a, b, c and $\frac{1}{bc},\frac{1}{ca},\frac{1}{ab}$. The lines are
  Category: 3-d | Tags: Line
• The angle between the lines whose direction cosines are proportional to (1, 2, 1) and (2, –3, 6) is
  Category: 3-d | Tags: Line
• Direction ratios of the line represented by the equation $x=ay+b,$ $z=cy+d$ are
  Category: 3-d | Tags: Line
• The equation of a line passing through the point (–3, 2, – 4) and equally inclined to the axes, are
  Category: 3-d | Tags: Line

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