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Vector equation of the plane r = hati-ha...

Vector equation of the plane `r = hati-hatj+ lamda(hati +hatj+hatk)+mu(hati – 2hatj+3hatk)` in the scalar dot product form is

A

`rcdot(5i-2j+3k)=7`

B

`rcdot(5i2j-3k)=7`

C

`rcdot(5i-2j-3k)=7`

D

`rcdot(5i+2j+3k)=7`

Text Solution

Verified by Experts

The correct Answer is:
(c)
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ARIHANT MATHS-THREE DIMENSIONAL COORDINATE SYSTEM-Exercise (Single Option Correct Type Questions)
  1. Which of the following planes are parallel but not identical? P1: 4x...

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  2. A parallelopied is formed by planes drawn through the points (1, 2, 3)...

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  3. Vector equation of the plane r = hati-hatj+ lamda(hati +hatj+hatk)+mu(...

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  4. The vector equations of two lines L1 and L2 are respectively, L1:r=2i+...

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  5. Consider the plane (x,y,z)= (0,1,1) + lamda(1,-1,1)+mu(2,-1,0) The dis...

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  6. The value of a for which the lines (x-2)/(1)=(y-9)/(2)=(z-13)/(3) and ...

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  7. For the line (x-1)/(1)=(y-2)/(2)=(z-3)/(3), which one of the following...

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  8. Given planes P1:cy+bz=x P2:az+cx=y P3:bx+ay=z P1, P2 and P3 pass...

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  9. The lines (x-2)/(1)=(y-3)/(1)=(z-4)/(-k) and (x-1)/(k)=(y-4)/(2)=(z-5)...

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  10. The line (x-2)/(3)=(y+1)/(2)=(z-1)/(-1) intersects the curve xy=c^2, z...

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  11. The line which contains all points (x, y, z) which are of the form (x,...

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  12. If the three planes rcdotn1=p1, rcdotn2=p2 and rcdotn3=p3 have a commo...

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  13. The equation of the plane which passes through the line of intersectio...

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  14. A straight line is given by r=(1+t)i+3tj+(1-t)k, where tinR. If this l...

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  15. The distance of the point (-1, -5, -10) from the point of intersection...

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  16. P(vec p) and Q(vec q) are the position vectors of two fixed points and...

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  17. The three vectors hat i+hat j,hat j+hat k, hat k+hat i taken two at a ...

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  18. The orthogonal projection A' of the point A with position vector (1, 2...

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  19. The equation of the line passing through (1, 1, 1) and perpendicular t...

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  20. A variable plane at a distance of 1 unit from the origin cuts the axes...

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