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If the lines 2x-y+3z + 4 = 0=ax + y-z + ...

If the lines 2x-y+3z + 4 = 0=ax + y-z + 2 and x-3y + z=0 =x + 2y + z +1 are coplannar then the value of a is ...........

A

`-2`

B

`4`

C

`6`

D

`6/5`

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The correct Answer is:
D
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KUMAR PRAKASHAN-THREE DIMENSIONAL GEOMETRY-MULTIPLE CHOICE QUESTIONS (MCQs)
  1. The image of the point (1,6,3) with respect to the line (x)/(1) = (y-1...

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  2. The distance of the point P(-2,3,1) from the line harr(QR) through Q(-...

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  3. If the lines 2x-y+3z + 4 = 0=ax + y-z + 2 and x-3y + z=0 =x + 2y + z +...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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