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The equation of the line passes through ...

The equation of the line passes through (2,-3,5) and makes equal with axes in ........ `(k in R)`

A

`barr=(2,-3,5)+k(1,1,1),k epsilon R`

B

`bar r = (2,-3,5) + ((-1)/(sqrt(3)),(-1)/(sqrt(3)),(-1)/(sqrt(3))),k in R`

C

`barr=(-2,3,-4)+k((1)/(sqrt3),(-1)/(sqrt3),(-1)/(sqrt3)),k epsilon R`

D

`barr=(2,3,-4)+k(-1,-1,1),k epsilon R`

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The correct Answer is:
A
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KUMAR PRAKASHAN-THREE DIMENSIONAL GEOMETRY-MULTIPLE CHOICE QUESTIONS (MCQs)
  1. The equation of line perpendicular to barr. (1, 2, 1) = 4 and passing ...

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  2. The symmetric equation of the line passing through (3, 1, - 1) and (3,...

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  3. The equation of the line passes through (2,-3,5) and makes equal with ...

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  4. If the lines (x-2)/(k)=(y-8)/(-3)=(z+5)/(9) and (x-5)/(1)=(y+2)/(1)=(z...

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  5. If the lines (x-1)/(1)=(y-4)/(c)=(z+3)/(-3) and (x+1)/(-c)=(y-3)/(2)=(...

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  6. The vector form of the line 3x + 1 = 62 – 2, y - 1 = 0 is .........

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  7. The lines x=(y-1)/(1)=(z+1)/(3) and {(2,1+3k,2+k)//k epsilon R} are …....

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  8. The perpendicular distance of the point (3, -4, -5) from the line (x-2...

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  9. The image of the point (1, 2, 3) in the line barr = (6, 7, 7) + k (3, ...

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  10. If the line bar r = (5,5,2) + k (3,6,9) k in R and bar = (0,3,-1) + ...

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  11. The angle between the lines bar = (-3,5,-1) + k(1,2,1), k in R and bar...

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  12. The angle between the lines whose direction cosines are given by l + ...

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  13. The cartesian equation of the line passing through (2,2,-3) and (1,3,5...

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  14. The equation of the line passes through (2,-3,5) and makes equal with ...

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  15. The angle between the lines whose direction cosines are l, m, n and m-...

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  16. The vector equation of the line (3-x)/(3) = (2y - 3)/(5) = z/2 is .......

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  17. The lines bar r = (-1,2,5) + k (-1,2,5), k in R and bar r = (-3,1,5) ...

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  18. The vector equation of the line joining the pionts hat(i) - 2hat (j)+ ...

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  19. If bar = hat i + hat j and bar b = 2 hat i - hat k then the intersect...

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  20. The co-ordinats of a point on the line passing through the pionts (1,-...

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