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Find the co ordinates of the foot of per...

Find the co ordinates of the foot of perpendicular and the length of the perpendicular drawn from the point P(5,4,2) to the line :` vecr=-hati+3hatj+hatk+lambda(2hati+3hatj-hatk)`. Also find the image of P in this line.

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Find the coordinates of the foot of the perpendicular and the length of the perpendicular drawn from the point P(5,4,2) to the line vecr=(-hati+hatj+hatk)+lambda(2hati+hatj-hatk) . Also find the image of P in this line.

Find the perpendicular distance from the point (1,2,3) to the line : vecr=6hati+7hatj+7hatk+lambda(3hati+2hatj-2hatk)

find the length and the foot of perpendicular drawn from the point (1,1,2) to the plane vecr.(2hati-2hatj+4hatk)+5=0 .

A set of D.R of the line vecr=(hati+hatj+hatk)+1(2hati+3hatj+6hatk) are

Show that the line , vecr=2hati-3hatj+5hatk+lambda(hati-hatj+2hatk) lies in the plane vecr*(3hati+hatj-hatk)+2=0 .

Show that the line , vecr=hati+hatj+lambda(2hati+hatj+4hatk) lies in the plane vecr*(hati+2hatj-hatk)=3 .

Find the vector equation of the line through (4,3,-1) and parallel to the line: vecr=(2hati-hatj+3hatk)+lambda(3hati-hatj+4hatk)

If the foot of perpendicular drawn from the origin to a plane is (5,-3,-2), then the equation of plane is vecr.(5hati-3hatj-2hatk)=38 .

Find the angle between the line vecr=(hati+hatj+hatk)+lambda(2hati-hatj-hatk) and the plane vecr.(hati+hatj-2hatk) =3.

MODERN PUBLICATION-Three Dimensional Geometry-EXERCISE
  1. Find the co ordinates of the foot of perpendicular and the length of t...

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  2. Find the distance of the point (2,3,4) from the x axis.

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  3. If a line makes angles of 90^@,60^@ and theta with the x, y and z axis...

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  4. If a line has direction cosines <2/3, -1/3, -2/3>, then find the direc...

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  5. If a line has direction ratios <2,-1,-2>, then what are its direction ...

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  6. Find the direction cosines of a line passing through the points (1,0,0...

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  7. Find the direction cosines of the lines joining the points: (-1,-1,-1)...

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  8. Find the direction ratios and direction cosines of the vector joining ...

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  9. Write the direction cosines of the vector : -2hati+hatj-5hatk

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  10. Write the direction cosines of the vector : hati+2hatj+3hatk

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  11. Find the length of the projection of the line segment joining (3,4,5) ...

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  12. Show that the following points are collinear : (1,2,3) , (2,6,3) , (3,...

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  13. Find the acute angle between two lines whose direction ratios are <2,3...

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  14. Find the obtuse angle between two lines whose direction ratios are : <...

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  15. Find the angle between the lines whose direction ratios are : a,b,c...

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  16. Find the direction cosines of the sides of the triangle whose vertices...

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  17. Show that the three lines with direction cosines 12/13, -3/13, -4/13, ...

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  18. The angle between the lines whose direction cosines are given by the ...

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  19. Find the angle between the lines whose direction cosines are given by ...

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  20. Find the area of the triangle ABC whose vertices are : A(1,2,4), B(-2,...

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

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