3-d

Related Questions

• The equation of the plane which bisects the line joining (2, 3, 4) and (6, 7, 8) is

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• The equation to the straight line passing through the points (4, –5, –2) and (–1, 5, 3) is

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• If $\theta $ is the angle between the lines $AB$ and $CD$, then projection of line segment $AB$on line $CD$, is

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• The co-ordinates of a point which is equidistant from the points $(0,\,0,\ 0),(a,\,0,\,0),(0,\,\,b,\,\,0)$ and $(0,\,0,\,c)$ are given by

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• If the plane $2ax-3ay+4az+6=0$ passes through the midpoint of the line joining the centres of the spheres ${{x}^{2}}+{{y}^{2}}+{{z}^{2}}+6x-8y-2z=13$ and ${{x}^{2}}+{{y}^{2}}+{{z}^{2}}-10x+4y-2z=8$, then $a$ equals

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