3-d

Related Questions

• The equation of the plane passing through the line $\frac{x-1}{5}=\frac{y+2}{6}=\frac{z-3}{4}$and the point (4, 3, 7) is

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• If the co-ordinates of the points $A,B,C,D$ be (2, 3, –1), (3, 5, – 3), (1, 2, 3) and (3, 5, 7) respectively, then the projection of $AB$ on $CD$ is

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• If $\left( \frac{1}{2},\frac{1}{3},n \right)$ are the direction cosines of a line, then the value of n is

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• 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

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• Distance of the point (1, 2, 3) from the co-ordinate axes are

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