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If vec P Q=3 hat i+2 hat j- hat k and t...

If ` vec P Q=3 hat i+2 hat j- hat k` and the coordinates of `P` are `(1,-1,2),` find the coordinates of `Qdot`

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Let the centre of the parallelepiped formed by vec P A= hat i+2 hat j+2 hat k ; vec P B=4 hat i-3 hat j+ hat k ; vec P C=3 hat i+5 hat j- hat k is given by the position vector (7, 6, 2). Then the position vector of the point P is (3,4,1) (b) (6,8,2) (1, 3, 4) (d) (2, 6, 8)

Let the centre of the parallelepiped formed by vec P A= hat i+2 hat j+2 hat k ; vec P B=4 hat i-3 hat j+ hat k ; vec P C=3 hat i+5 hat j- hat k is given by the position vector (7, 6, 2). Then the position vector of the point P is (3,4,1) (b) (6,8,2) (1, 3, 4) (d) (2, 6, 8)

Find the vector equation of the plane passing through three points with position vectors hat i+ hat j-2hatk, 2hat i-\ hat j+ hat k and hat i+2 hat j+ hat kdot Also find the coordinates of the point of intersection of this plane and the line vec r=3 hat i-\ hat j- hat k+lambda(2 hat i-\ 2 hat j+ hat k)dot

Find the vector equation of the plane passing through three points with position vectors hat i+ hat j-2hatk, 2hat i-\ hat j+ hat k and hat i+2 hat j+ hat kdot Also find the coordinates of the point of intersection of this plane and the line vec r=3 hat i-\ hat j- hat k+lambda(2 hat i-\ 2 hat j+ hat k)dot

Write the the projections of vec r=3 hat i-4 hat j+12 hat k on the coordinate axes.

Fine the equation of the perpendicular drawn from the point P(-1,\ 3,\ 2) to the line -> r=(2 hat j+3 hat k)+lambda( hat i+2 hat j+3 hat k)dot Also find the coordinates of the foot of the perpendicular from Pdot

If vec p=5 hat i+lambda hat j-3 hat k and vec q= hat i+3 hat j-5 hat k , then find the value of lambda , so that vec p+ vec q and vec p- vec q are perpendicular vectors.

Let vec P R=3 hat i+ hat j-2 hat ka n d vec S Q= hat i-3 hat j-4 hat k determine diagonals of a parallelogram P Q R S ,a n d vec P T= hat i+2 hat j+3 hat k be another vector. Then the volume of the parallelepiped determine by the vectors vec P T , vec P Q and vec P S is 5 b. 20 c. 10 d. 30

If vec p=5 hat i+lambda hat j-3 hat k\ a n d\ vec q= hat i+3 hat j-5 hat k , then find the value of lambda such that vec p+ vec q and vec p- vec q are perpendicular vectors.

The position vector of the points P and Q are 5 hat i+7 hat j-2 hat k and -3 hat i+3 hat j+6 hat k , respectively. Vector vec A=3 hat i- hat j+ hat k passes through point P and vector vec B=-3 hat i+2 hat j+4 hat k passes through point Q . A third vector 2 hat i+7 hat j-5 hat k intersects vectors A and Bdot Find the position vectors of points of intersection.

RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
  1. The adjacent sides of a parallelogram are represented by the vectors ...

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  2. If vec a=3 hat i- hat j-4 hat k ,\ vec b=-2 hat i+4 hat j-3 hat k\ a...

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  3. If vec P Q=3 hat i+2 hat j- hat k and the coordinates of P are (1,-1,...

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  4. Prove that the points hat i- hat j ,4 hat i-3 hat j+ hat k and 2 hat ...

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  5. If the vertices A ,\ B ,\ C of a triangle ABC are the point with posit...

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  6. Find the position vector from the origin O to the centroid of the tria...

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  7. Find the position vector of a point R which divides the line joinin...

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  8. Find the unit vector in the direction of vector vec P Q , where P a...

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  9. Show that the points A(2 hat i- hat j+ hat k), B( hat i-3 hat j-5 h...

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  10. Find the position vector of the mid point of the vector joining the ...

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  11. Find the value of x for which x\ ( hat i+ hat j+ hat k) is a unit vect...

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  12. If vec a= hat i+ hat j+ hat k , vec b=4 hat i-2 hat j+3 hat k and ve...

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  13. If vec a= hat i+ hat j+ hat k ,\ vec b=2 hat i- hat j+3 hat k\ a n d...

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  14. Two vectors hat j + hat k and 3 hat i - hat j + 4 hat k represents t...

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  15. Find a vector magnitude 5 units, and parallel to the resultant of t...

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  16. If a\ a n d\ b ar non collinear vector such that x1 vec a+y1 vec b=x2 ...

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  17. Show that the points with position vectors vec a-2 vec b+3 vec c ,\ -...

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  18. Show that the three points A(-2, 3,5); B(1, 2, 3) and C(7, 0, -1) are ...

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  19. The position vectors of the points P ,\ Q ,\ R are hat i+2 hat j+3 ha...

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  20. Show that the point A ,B ,C with position vectors vec a-2 vec b...

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