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If product of distance of point (1,2,-1)...

If product of distance of point (1,2,-1) from planes 2x-3y+z+k=0 and x+2y+3z=0 is 1, then k is equal to

A

12

B

14

C

10

D

8

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-PLANE-CRITICAL THINKING
  1. The lines (x-3)/(1)=(y-1)/(2)=(z-3)/(-lambda) and (x-1)/(lambda)=(y-2)...

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  2. Lines (x)/(1)=(y-2)/(2)=(z+3)/(3)" and "(x-2)/(2)=(y-6)/(3)=(z-3)/(4) ...

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  3. If product of distance of point (1,2,-1) from planes 2x-3y+z+k=0 and x...

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  4. If P1" and "P2 are the lenghts of the perpendicular from the points (2...

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  5. Find the equation of a plane which is parallel to the plane x-2y+2z...

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  6. Find the locus of a point, the sum of squares of whose distances from ...

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  7. If p1,p2,p3 denote the distance of the plane 2x-3y+4z+2=0 from the pla...

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  8. A plane meets the co-ordinate axes at A,B,C such that the centroid of ...

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  9. A plane meets the co-ordinate axes at A,B,C and (alpha,beta,gamma) is ...

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  10. If plane 6x-3y+2z-18 meets co-ordinate axes at points A,B,C, then cent...

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  11. The plane ax + by + cz = 1 meets the coordinate axes in A, B, C. The c...

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  12. A plane a constant distance p from the origin meets the coordinate axe...

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  13. Foot of perpendicular of point (2,2,2) in the plane x+y+z=9 is

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  14. The plane passing through the point (5,1,2) perpendicular to the line ...

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  15. The equation of the plane passing through the intersection of the plan...

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  16. The plane 4x+7y+4z+81=0 is rotated through a right angle about its lin...

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  17. Equation of a plane bisecting the angle between the planes 2x-y+2z+3=0...

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  18. The line (x+3)/(3)=(y-2)/(-2)=(z+1)/(1) and the plane 4x+5y+3z-5=0 int...

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  19. The point at which the line joining the points (2, -3, 1) and (3, -4, ...

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  20. Find the distance of the point of intersection of the line (x-3)/1=(y-...

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