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Show that the line joining the points P(...

Show that the line joining the points P(0,1,2) and Q(3,4,8) is parallel to the line joining the points `R(-2,(3)/(2),-3)andS((5)/(2),6,6)`

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The correct Answer is:
` :. ` PQ is parallel to RS.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-DIRECTION COSINES AND DIRECTION RATIOS -TEXTUAL EXERCISE -6(B)
  1. Show that the line joining the points P(0,1,2) and Q(3,4,8) is parall...

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  2. Find the direction ratios of the line joining the points (3,4,0) and (...

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  3. The direction ratios of a line are (-6,2,3) Find its direction cosines...

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  4. Find the conine of the angle between the lines whose direction cosines...

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  5. Find the angle between the lines whose direction ratios are (1,1,2)(sq...

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  6. Show that the lines with direction cosines ((12)/(13),(-3)/(13),(-4)/(...

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  7. O is the origin, P(2,3,4) and Q(1,k,1) are points such that bar(OP)bot...

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  8. If the direction ratios of a line are (3,4,0) find its direction cosin...

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  9. Show that the line through the points (1,-1,2), (3,4,-2) is perpendicu...

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  10. Find the angle between bar(DC) and bar(AB) where A = (3,4,5), B = (4,6...

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  11. Find the direciton cosines of a line which is perpendicular to the li...

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  12. Show that the points (2,3,-4), (1,-2,3) and (3,8,-11) are collinear.

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  13. Show that the points (4,7,8), (2,3,4) and (-1,-2,1),(1,2,5) are vertic...

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  14. Show that the lines whose direction cosines are given by l+m+n=0, 2mn...

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  15. Find the angle between the lines whose direction cosines satisfy the e...

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  16. If a line makes angles alpha, beta, lambda,delta with the four diagon...

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  17. If (l(1),m(1),n1),(l(2),m(2),n(2)) are d.c.s of two intersecting lines...

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  18. A (-1,2-3), B(5,0,-6), C(0,4,-1) are three points, Show that direction...

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  19. If (6,10,10),(1,0,-5), (6,-10,0) are vertices of a triangle, find the ...

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  20. If the vertices of a triangle are A(1,4,2), B(-2,1,2),C(2,3,-4) then f...

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  21. Find the angle between the lines whose direction cosines are given by ...

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