3-d

Related Questions

• The intercepts of the plane $5x-3y+6z=60$ on the co-ordinate axes are

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• If $\frac{x-1}{l}=\frac{y-2}{m}=\frac{z+1}{n}$is the equation of the line through (1, 2, –1) and (–1, 0, 1), then (l, m, n) is

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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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• The line drawn from (4, –1, 2) to the point (–3, 2, 3) meets a plane at right angles at the point (–10, 5, 4), then the equation of plane is

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• If the co-ordinates of the points A, B, C, D be (1, 2, 3), (4, 5, 7), (–4, 3, –6) and (2, 9, 2) respectively, then the angle between the lines AB and CD is

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