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 line joining the points (3, 5, –7) and (–2, 1, 8) meets the yz-plane at point

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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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• A line joining the points (1, 2, 0) and (4, 13, 5) is perpendicular to a plane. Then the coefficients of x, y and z in the equation of the plane are respectively

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• A line makes angles $\alpha ,\beta ,\gamma $ with the co-ordinate axes. If $\alpha +\beta ={{90}^{o}}$, then $\gamma =$

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