3-d

Related Questions

• If projection of any line on co-ordinate axis 3, 4, and 5, then its length is

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• A point moves so that the sum of its distances from the points (4, 0, 0) and (–4, 0, 0) remains 10. The locus of the point is

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• 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

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• The angle between a line with direction ratios 2 : 2 : 1 and a line joining (3, 1, 4) to (7, 2, 12) is

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• The angle between the lines whose direction cosines are connected by the relations $l+m+n=0$ and $2lm+2nl-mn=0$, is

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