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Show that the joint of the points (1,2,3...

Show that the joint of the points (1,2,3), (4,5,7) is parallel to the join of the points (-4,3,-6),(2,9,2).

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ML KHANNA-CO-ORDINATE GEOMETRY OF THREE DIMENSION-MISCELLANEOUS EXERCISE(TRUE AND FALSE)
  1. Given that P(3,2,-4), Q(5,4,-6) and R(9,8,-10) are collinear. Find the...

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  2. Show that the joint of the points (1,2,3), (4,5,7) is parallel to the ...

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  3. The line, joining the points (1,2,3)(-1,-2,-3) is parallel to to the l...

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  4. Three concurrent lines with direction cosines (l(1),m(1),n(1)),(l(2),m...

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  5. Show that the three lines drawn from the origin with direction cosines...

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  6. If a variable line in two adjacent position has direction cosines l,m,...

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

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  8. Show that the straight lines whose direction cosines are given by t...

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  9. The equation of the plane through the points (1,1,1),(1,-1,1) and (-7,...

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  10. The equation of the plane through the points (2,2,1) and (9,3,6) and p...

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  11. The equation of the plane through the intersection of the planes x-2y+...

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  12. A variable plane at a constant distance p from the origin meets the ax...

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  13. A variable plane is at a constant distance p from the origin and meets...

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  14. A plane a constant distance p from the origin meets the coordinate axe...

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  15. The equation 2x^(2) -6y^(2) - 12z^(2)+18 yz +2zx + xy =0 represents a ...

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  16. The lines (x-1)/1=(y-2)/2=(z-3)/3 and x/2=(y+2)/2=(z-3)/-2 are paral...

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  17. The lines (x-1)/2=(y-2)/2=(z-3)/0 and (x-2)/0=(y+3)/0=(z-4)/1 are pa...

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  18. The plane x-2y+z-6=0 and the line x/1=y/2=z/3 are related as the line ...

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  19. Find the length of the perpendicular from point (3,4,5) on the line (x...

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  20. Find the angle between the lines in which the planes : 3x - 7y - 5z ...

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