3-d

Related Questions

• 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 lines $\frac{x-4}{1}=\frac{y-3}{1}=\frac{z-2}{2}$and $\frac{x-3}{1}=\frac{y-2}{-4}=\frac{z}{5}$ is

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

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• The equation of plane through the line of intersection of planes $ax+by+cz+d=0$, $a'x+b'y+c'z+d'=0$ and parallel to the line $y=0,z=0$ is

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• The direction cosines of the line $\frac{3x+1}{-3}=\frac{3y+2}{6}=\frac{z}{-1}$ are

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