3-d

Related Questions

• 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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• If the points $(1,\,1,\,k)$ and $(-3,\,0,\,1)$ be equidistant from the plane $3x+4y-12z+13=0$ ,then k =

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• The co-ordinates of points $A,B,C,D$are (a, 2, 1), (1, –1, 1), (2, – 3, 4) and (a+1, a+2, a+3) respectively. If $AB=5$and $CD=6$, then $a=$

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• If the plane $x-3y+5z=d$ passes through the point (1,2,4), then the lengths of intercepts cut by it on the axes of x, y, z are respectively

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• The projections of a line on the co-ordinate axes are 4, 6, 12. The direction cosines of the line are

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