3-d

Related Questions

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• The point dividing the line joining the points $(1,\,\,2,\,\,3)$and $(3,\,\,-5,\,\,6\,)$ in the ratio $3:\,-5$ 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 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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