3-d

Related Questions

• In the space the equation $by+cz+d=0$ represents a plane perpendicular to the plane

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• If a line makes $\alpha ,\beta ,\gamma $ with the positive direction of $x,\ y$ and z-axis respectively. Then, ${{\cos }^{2}}\alpha +{{\cos }^{2}}\beta +{{\cos }^{2}}\gamma $ is

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• 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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• The angle between two planes is equal to

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• If a line makes the angle $\alpha ,\beta ,\gamma $ with three dimensional co-ordinate axes respectively, then $\cos 2\alpha +\cos 2\beta +\cos 2\gamma =$

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