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If the line joining the points A(4, 1, 2...

If the line joining the points A(4, 1, 2), B(5, x, 0) is parallel to the line joining the points P(2, 1, 1), Q(3, 3, -1) then x =

A

`1//2`

B

3

C

2

D

`-3//2`

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DIPTI PUBLICATION ( AP EAMET)-DIRECTION COSINES AND DIRECTION RATIOS-EXERCISE 1
  1. If the d.r.'s of two lines are (1, -1, 0) and (1, -2, 1) then the angl...

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  2. If the line joining the points (k, 1, 2), (3, 4, 6) is parallel to the...

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  3. If the line joining the points A(4, 1, 2), B(5, x, 0) is parallel to t...

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

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  5. If the line joining the points (2, 3, 4), (0, 1, 2) is perpendicular t...

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  6. If O is the origin and P = (1, -2, 1) and OP bot OQ, then Q =

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  7. If the d.c. 's (l, m, n) of two lines are connected by the relations l...

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  8. If the d.c.'s (l, m, n) of two lines are connected by the relations l+...

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  9. If the d.c.'s (l, m,n) of two lines are connected by the relations 7l^...

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  10. If the d.c.'s (l, m, n) of two lines are connected by the relations l+...

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  11. If the d.c.'s (l, m, n) of two lines are connected by the relations 3l...

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  12. The direction ratios of two lines are given by a+b+c=0, 2ab+2ac-bc=0. ...

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  13. If the d.c.'s (l, m, n) of two lines are connected by the relations l+...

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  14. If the direction ratios of two lines are given by l+m+n=0, mn-2n+lm=0,...

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  15. If the direction rations of two lines are given by 3lm-4ln+mn = 0 and ...

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  16. The acute angle between the two lines whose direction ratios are given...

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  17. Find the angle between the lines whose d.c's are related by l + m + n ...

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  18. The angle between the lines whose direction cosines satisfy the equati...

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  19. If the direction cosines of two lines are given by l+m+n=0 " and " l^(...

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  20. If the d.c.'s (l, m, n) of two lines are connected by the relations 2l...

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