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If the plane 2x+4y+z+2=0 and x-2y+kz+5=0...

If the plane `2x+4y+z+2=0` and `x-2y+kz+5=0` are perpendicular to each other what is the value of k ?

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Equation of x-axis is `x/1=y/0=z/0`
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MBD PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
  1. Write the equation of the plane passing through x-axis and y-axis.

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  2. Write the equation of the plane perpendicular to z-axis and passing th...

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  3. If the plane 2x+4y+z+2=0 and x-2y+kz+5=0 are perpendicular to each oth...

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  4. Write down the equation of x-axis.

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  5. Write the vector equation of a line through the point (1,2,3) and para...

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  6. Write the equation of the line passing through the points (3,-2,-5) an...

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  7. Write the equation of the line (x-5)/3=(y+4)/7=(z-6)/2 in vector form.

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  8. Write the equation of the line in symmetric form through the point (1,...

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  9. Write the equation of the line x=ay+b,z=cy+d in symmetric from.

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  10. Write the equation of the plane passing through the point (2, 3, 1) an...

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  11. What is the number of independent constants that occur in the general ...

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  12. The angle between the planes x+y+z+1=0 and 2x+y+z+2=0 is.

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  13. The angle between the plane 3x+3z-5=0 and the line (x-1)/1=(y-2)/-1=(z...

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  14. If the lines (x-1)/k=(y-3)/2=(2-z)/-5 and (x-1)/3=(2-y)/-4=z/k are per...

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  15. Find the equation of the plane passing through the intersection of the...

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  16. Find the co-ordinates of the foot of the perpendicular drawn from the ...

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  17. If the points (-1,-1,2), (2,m,5) and (3,11,6) are collinear, then find...

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  18. Two vertices of a tringle are (1,2,3) and (3,-2,7) and centroid is (2,...

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  19. Show that the points (1,2,3), (2,3,1) and (3,1,2) from an equilateral ...

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  20. Find the direction cosines of the line segment joining (1,-1,2) and (...

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