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MODERN PUBLICATION-Three Dimensional Geometry-EXERCISE
- Show that the following points are collinear : (1,2,3) , (2,6,3) , (3,...
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- Find the acute angle between two lines whose direction ratios are <2,3...
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- Find the obtuse angle between two lines whose direction ratios are : <...
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- Find the angle between the lines whose direction ratios are : a,b,c...
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- Find the direction cosines of the sides of the triangle whose vertices...
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- Show that the three lines with direction cosines 12/13, -3/13, -4/13, ...
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- The angle between the lines whose direction cosines are given by the ...
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- Find the angle between the lines whose direction cosines are given by ...
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- Find the area of the triangle ABC whose vertices are : A(1,2,4), B(-2,...
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- Show that the line through the points (4, 7, 8), (2, 3, 4) is parallel...
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- Show that the line joining the origin to the point (2, 1, 1) is perpen...
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- Determine the value of k so that the lie joining the points A(k,1,-1),...
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- Prove that the angle between any two diagonals of a cube is cos^-1frac...
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- Find the projection of the line segment joining the points: (2,-3,0), ...
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- Find the projection of the line segment joining the points (1,2,3), (4...
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- If the edges of a rectangular parallelopiped are a, b and c, show that...
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- write the vectoe equation of the line : (x-5)/-3=(y+4)/7=(6-z)/2.
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- show that the three lines with direction cosines <12/13,-3/13,-4/13>, ...
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- express the following equations of the lines into vector form: (x-3)/3...
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- Find the cartesian equation of the line which passes through the point...
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