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Show that the line through the points : (4,7,8), (2,3,4) is parallel to the line through the points (-1,-2,1) and (1,2,5).

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Show that the line through the points (4, 7, 8), (2, 3, 4) is parallel to the line through the points (– 1, – 2, 1), (1, 2, 5).

Show that the line through the points (1, – 1, 2), (3, 4, – 2) is perpendicular to the line through the points (0, 3, 2) and (3, 5, 6).

Show that the line : through (0, 0) and (2, 3) is parallel to the line through (2, 2) and (4, 5) .

The slope of the line passing through the points (3,-2) and (-1,4) is:

Find the slope of the line through the points : (1, 2), (4, 2).

Find the slope of the line through the points (4,-6)(-2,-5)

Slope of the line passing through the points (3, -2) and (3, 4) is:

Line through the points (-2,6) and (4 ,8) is perpendicular to the line through the points (8,12) and (x, 24). Find the value x.

MODERN PUBLICATION-Three Dimensional Geometry-EXERCISE
  1. Find k so that the lines : (x-3)/2=(y+1)/3=(z-2)/(2k) and (x+2)/1=(4-y...

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  2. Show that the line through the points (1, – 1, 2), (3, 4, – 2) is perp...

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  3. Show that the line through the points : (4,7,8), (2,3,4) is parallel t...

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  4. The cartesian equations of a line are 3x + 1 = 6y - 2 = 1 - z. Find th...

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  5. The points A(4, 5, 10), B(2, 3, 4) and C(1, 2, -1) are three vertices ...

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  6. Write the equation of a line, parallel to the line (x-2)/-3=(y+3)/2=(z...

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  7. Find the equation of the line perpendicular to the lines : vecr=(3hati...

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  8. Find the equations of the straight line passing through the point (2,...

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  9. Find the equations of the straight line passing through the point (1, ...

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  10. Find the vector and cartesian equations of the line passing through th...

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  11. Find the equation in vector anf cartesian form of the line passing thr...

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  12. Find the equation of the line passing through the point (2, -1, 3) and...

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  13. Prove that the points (1,2,3),(4,0,4),(-2,4,2) and (7,-2,5) are collin...

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  14. Show that the following points whose psitions vectors are given are co...

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  15. Show that the following points whose psitions vectors are given are co...

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  16. Find the points on the line through the points A(1,2,3) and B(5,8, 15)...

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  17. Find the equations of the perpendicular from the point (3,-1,11,) to t...

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  18. Show that the line joining the origin to the point (2, 1, 1) is perpen...

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  19. Find the vector equation of a line passing through a point with positi...

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  20. Find the vector equation of a line passing through the point with posi...

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