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The plane 2x - 3y + 6z + 9 =0 makes an a...

The plane 2x - 3y + 6z + 9 =0 makes an angle with positive direciton of X -axis is ........

A

`cos^(-1)""(3sqrt(5))/(7)`

B

`sin^(-1)""(3)/(7)`

C

`sin^(-1)""(2)/(sqrt(7))`

D

`tan^(-1)""(2)/(7)`

Text Solution

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The correct Answer is:
A
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KUMAR PRAKASHAN-THREE DIMENSIONAL GEOMETRY-MULTIPLE CHOICE QUESTIONS (MCQs)
  1. If the lines 2x-y+3z + 4 = 0=ax + y-z + 2 and x-3y + z=0 =x + 2y + z +...

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  2. The distance of the plane barr (12,-4,3) = 65 from the origin is ........

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  3. The plane 2x - 3y + 6z + 9 =0 makes an angle with positive direciton o...

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  4. The perpendicular distance between the planes 2x-y+ 2z = 1 and 4x - 2y...

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  5. If the plane passing through (1,1,1),(1,-1,1) and (-1,3,-5) is also pa...

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  6. The foot of perpendicular from the origin to the plane is (a,b,c). So ...

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  7. The distance of the point (2,-3,6) from the plane 3x-6y+2z + 10 = 0 is...

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  8. The line passing through point (2,-3,1) and (3,-4,-5) intersect the ZX...

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  9. The angle between the line (x-1)/(1) = (2-y)/(1) = (z+1)/(1) and the p...

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  10. The normal unit vector of the plane x-3y + 2z = 6 is ............

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  11. The equation of the plane with normal 2 hati + hatj -2 hat k and at di...

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  12. The angle between the planes bar r(1,2,-1) =3 and 2x - y +2z = 2 is......

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  13. The equation of the plane passing through the points (-1,1,0) and (2,3...

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  14. The equation of the plane passing through the line of intersection of ...

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  15. The equation of the plane passing through A(3,1,2) and perpendicular t...

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  16. The distance of the plane barr (12,-4,3) = 65 from the origin is ........

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  17. The plane 2x - 3y + 6z + 9 =0 makes an angle with positive direciton o...

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  18. Expression of x+y + z = 1 in the form of x cos alpha + y cos beta + z ...

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  19. The perpendicular distance between the planes x + 2y- 3z = 2 and 2x+4...

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  20. A line (x-3)/(1) = (y-6)/(5) = (z-4)/(4) is in the plane which passes ...

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