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The plane ax+by=0 is rotated through an ...

The plane `ax+by=0` is rotated through an angle `alpha` about its line of intersection with the plane `z=0`. Show that the equation to the plane in new position is `ax+bypmzsqrt(a^2+b^2)tanalpha=0`.

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MODERN PUBLICATION-Three Dimensional Geometry-EXERCISE
  1. Find the equation of a plane which is at a distance 3sqrt3 units from ...

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  2. Find the equation of the two lines through the origin which intersect ...

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  3. The plane ax+by=0 is rotated through an angle alpha about its line of ...

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  4. Show that the sequence t n defined by t n = 3 n + 1 is an AP.

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  5. Prove that the lines, whose direction cosines are given by al+bm+cn=0,...

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  6. Prove that the lines, whose direction cosines are given by al+bm+cn=0,...

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  7. Using converse of Basic Proportionality theorem prove that the line jo...

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  8. Verify that <(l1+l2+l3)/sqrt3,(m1+m2+m3)/sqrt3,(n1+n2+n3)/sqrt3> can b...

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  9. Find the vector equation of the line passing through (1, 2, 3) and per...

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  10. The two lines x=ay+b, z=cy+d and x=a'y+b', z=c'y+d' are perpendicular ...

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  11. Prove that the line joining the points vec(6a)-vec(4b)+vec(4c) and -ve...

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

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  13. Find the vector equation of the line passing through the point (1,2,-4...

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  14. Find the co-ordinates of the points where the line through the points ...

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  15. Show that the equation of the plane passing through a point having pos...

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  16. Find the distance of the point (2,1,0) from the plane 2x+y+2z+5=0.

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  17. Find the distance of the point with position vector -hati-5hatj-10hatk...

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  18. Find the point, where the line joining the points (1,3,4) and (-3,5,2)...

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

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  20. If from a point P(a,b,c) perpendicular PA and PB are drawn to yz and z...

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