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Match the following {:("List-1","List-...

Match the following
`{:("List-1","List-II"),("(A)D.C's of x-axis",(1)"1,1,1"),("(B) D.C of y-axis",(2) (1)/(sqrt(3))","(1)/(sqrt(3))","(1)/(sqrt(3))),("(C)D.C of z-axis",(3)"1,0,0"),("(D)D.C's of a line which",(4)"0,1,0"), (" makes equal",), ("angles with axes",),(,(5)"0,0,1"):}`

A

`{:("A,B,C,D),(3,4,5,2):}`

B

`{:("A,B,C,D),(1,2,3,4):}`

C

`{:("A,B,C,D),(2,3,4,5):}`

D

`{:("A,B,C,D),(5,4,3,2):}`

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The correct Answer is:
A
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AAKASH SERIES-DIRECTION COSINES & RATIOS-PRACTICE EXERCISE
  1. Match the following {:("List-1","List-II"),("(A)D.C's of x-axis",(1)...

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  2. The number of lines which are equally inclined to the coordinate axe...

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  3. If the d.c.s of the line joining the oints P(4,3,5) and Q(1,1,k) are (...

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  4. If d.c's of the line joining the origin and a point unit distance from...

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  5. If (1,2,-2) are the D.R's of a line then Statement-I : The D.C's of t...

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  6. Assertion (A) : If a line make angles 45^(@), 45^(@) with the x and y ...

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  7. If a line makes angles cos^(-1)(1//5),cos^(-1)(3//5) with X and Y- axe...

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  8. The angle between the two lines whose direction cosines are ((sqrt(3))...

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  9. The angle between the line passing through the points (3,1,-2) and (4...

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  10. If the d.r's of two lines are (x,3,5) and (2,-1,2) and if the anlgle ...

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  11. The d.r.s of two perpendicular lines are 1,-3,5 and lambda,1 + lambda...

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  12. If the line joining the points (-1,2,3) (2,-1,4) is perpendicular to t...

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  13. If (1,-2,-2) and (0,2,1) are direction ratios of two lines, then direc...

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  14. If the line joining the points (1,4,2) and (-2,1,2) is inclined at an...

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  15. If the d.r's of bar(OA),bar(OB) are (1,-2,3),(-3,4,5) then the d.c's ...

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  16. If (l(1),m(1),n(1)),(l(2),m(2),n(2)) are d.c's of two lines then find ...

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  17. If the d.c's of the two lines are (2)/(3),(2)/(3),(1)/(3),(5)/(13),(12...

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  18. If (6,-2,-3),(1,2,2) are d.r's of two lines then the d.c's of line bis...

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  19. If (l(1),m(1),n(1)),(l(2),m(2),n(2)) are direction cosines of two line...

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  20. If the d.c's (l,m,n) of two lines are related as l + m + n = 0, 2lm -...

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