3-d

Related Questions

• If line $\frac{x-{{x}_{1}}}{l}=\frac{y-{{y}_{1}}}{m}=\frac{z-{{z}_{1}}}{n}$ is parallel to the plane $ax+by+cz+d=0$, then

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• A plane passes through a fixed point $(p,q,r)$ and cut the axes in A,B,C. Then the locus of the centre of the sphere $OABC$ 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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• The ratio in which the plane $x-2y+3z=17$ divides the line joining the points (–2, 4, 7) and $(3,-5,\,8)$ is

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• If the co-ordinates of A and B be (1, 2, 3) and (7, 8, 7), then the projections of the line segment AB on the co-ordinate axes are

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