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Fill in the blanks in the length of the ...

Fill in the blanks in the length of the projection of the line segment joining (1,3,-1) and (3,2,4)on z-axis is ______.
`[1,3,4,5]`

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(3-1) 0 + (2 - 3) 0 + (4 + 1)1 = 5
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MODERN PUBLICATION-THREE DIMENSIONAL GEOMETRY-EXERCISE
  1. What is the angle between the planes y + x = 0 and z = 0 ? .

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  2. If the line (x-3)/2=(y+k)/(-1)=(z+1)/(-5) lies on the plane 2x-y+z-7 =...

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  3. Fill in the blanks in the length of the projection of the line segment...

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  4. The image of the point (6,3,-4) with respect to yz-plane is . [(6,0,-4...

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  5. The equation of a plane passing through (1, 1, 2) and parallel to x + ...

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  6. The distance between the parallel planes 2x - 3y + 6z +1 = 0 and 4x - ...

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  7. Find the equation of the line through (-1,0,1) and perpendicular to th...

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  8. If the line (x-3)/2=(y+k)/(-1)=(z+1)/(-5) lies on the plane 2x-y+z-7 =...

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  9. Find the equation of the plane passing through (3,-6,-9) and parallel ...

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  10. In which condition x + y + z = alpha + beta + gamma will contain the l...

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  11. The angle between the planes x + y + I = 0 and y + z + I = 0 is .

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  12. To which coordinate axis the line x = 1 and y = 2 is parallel.

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  13. Find the number of points (x, y, z) in space other than the point (1,-...

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  14. Write the ratio in which the line segment Joining the points (1, 2, —2...

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  15. What is the distant of the point (4,5,-3) from the y-axis ?

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  16. Find the equation of the plane Paralel to the plane 2x-y+3z+1=0 and at...

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  17. Find the equation of the plane passing through the line of intersectio...

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  18. Bisecting the line segment joining (-1,4,3) and (5,-2,-1) at right ang...

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  19. If P (1,y,z) lies on the line through (3,2,-1) and (-4,6,3) find y & z...

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  20. Find the equation of the plane passing through the line of intersectio...

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