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Find the angle between the line whose direction cosines are given by `l+m+n=0a n dl^2+m^2-n^2-0.`

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CENGAGE ENGLISH-THREE DIMENSIONAL GEOMETRY-All Questions
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  7. If A(3,2,-4),B(5,4,-6)a n dC(9,8,-10) are three collinear points, t...

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  9. A line passes through the points (6,-7,-1)a n d(2,-3,1)dot Find te ...

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  10. Find the angle between the lines whose direction cosines are connec...

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  11. Find the point where line which passes through point (1,2,3) and i...

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  14. The line joining the points (-2,1,-8)a n d(a ,b ,c) is parallel to...

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  15. A parallelepiped is formed by planes drawn through the points P(6,8...

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  16. Find the angle between any two diagonals of a cube.

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  19. The straight line (x-3)/3=(y-2)/1=(z-1)/0 is (a)Parallel to x-axis ...

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