3-d

Related Questions

• The straight line $\frac{x-3}{3}=\frac{y-2}{1}=\frac{z-1}{0}$is

  ---

• The radius of sphere $x+2y+2z=15$ and ${{x}^{2}}+{{y}^{2}}+{{z}^{2}}-2y-4z=11$ is

  ---

• If projection of any line on co-ordinate axis 3, 4, and 5, then its length is

  ---

• If O be the origin and the co-ordinates of P be (1, 2, –3), then the equation of the plane passing through P and perpendicular to OP is

  ---

• A line makes the same angle $\theta $, with each of the x and z–axis. If the angle $\beta $, which it makes with y-axis is such that ${{\sin }^{2}}\beta =3{{\sin }^{2}}\theta ,$then ${{\cos }^{2}}\theta $equals

  ---