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Check whether the given three vectors ar...

Check whether the given three vectors are coplanar or non-coplanar. `-2 hat i-2 hat j+4 hat k ,-2 hat i+4 hat j ,4 hat i-2 hat j-2 hat k`

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In each of the following show that the given vectors are coplanar: 4 hat (i) + 2 hat (j) + hat (k) , 2 hat (i) - hat (j) + 3 hat (k) , 8 hat (i) + 7 hat (k)

In each of the following show that the given vectors are coplanar: vec(a) = hat (i) + hat (j) - 6 hat (k) , vec(b) = hat (i) + 3 hat (j) + 4 hat (k) , vec(c) = 2 hat (i) + 5 hat (j) + 3 hat (k)

find the projection of 3hat i - hat j + 4hat k on 2 hat i + 3 hat j -6 hat k

Check whether the three vectors 2 hat i+2 hat j+3 hat k ,-3 hat i+3 hat j+2 hat ka n d3 hat i+4 hat k from a triangle or not

Find the value of lambda for which the three points with position vector 3 hat i-2 hat j- hat k ,2 hat i+3 hat j-4 hat k , and4 hat i+5 hat j+lambda hat k are coplanar.

The unit vector which is orthogonal to the vector 3 hat i+2 hat j+6 hat k and is coplanar with vectors 2 hat i+ hat j+ hat ka n d hat i- hat j+ hat k is (2 hat i-6 hat j+ hat k)/(sqrt(41)) b. (2 hat i-3 hat j)/(sqrt(13)) c. (3 hat j- hat k)/(sqrt(10)) d. (4 hat i+3 hat j-3 hat k)/(sqrt(34))

Volume of the parallelopiped whose adjacent edges are vectors veca , vecb , vecc is veca=2 hat i-3 hat j-4 hat k , vecb= hat i+2 hat j- hat ka n d vecc=3 hat i+ hat j-2 hat k

The position vectors of the point A ,B ,C and D are 3 hat i-2 hat j- hat k ,2 hat i+3 hat j-4 hat k ,- hat i+ hat j+2 hat k and 4 hat i+5 hat j+lambda hat k , respectively. If the points A ,B ,C and D lie on a plane, find the value of lambda .

Let vec a= hat i+ hat j ; vec b=2 hat i- hat kdot Then vector vec r satisfying vec rxx vec a= vec bxx vec a and vec rxx vec b= vec axx vec b then vecr is a. hat i- hat j+ hat k b. 3 hat i- hat j+ hat k c. 3 hat i+ hat j- hat k d. hat i- hat j- hat k

Show that the vectors are mutually perpendicular hat (i) + 2 hat (j) + hat (k) ,hat (i) + hat (j) - 3 hat (k) and 7 hat (i) - 4 hat (j) + hat (k)

CENGAGE PUBLICATION-VECTOR ALGEBRA-All Questions
  1. The vectors 2 hat i+3 hat j ,5 hat i+6 hat j and 8 hat i+lambda hat j ...

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  2. If vec a , vec b and vec c are three non-zero vectors, no two of whic...

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  3. Check whether the given three vectors are coplanar or non-coplanar. -2...

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  4. Prove that the four points 6 hat i-7 hat j ,16 hat i-19 hat j-4 hat k ...

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  5. Show, by vector methods, that the angularbisectors of a triangle are c...

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  6. Let vec A(t) = f1(t) hat i + f2(t) hat j and vec B(t) = g(t)hat i+g2(...

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  7. Find the least positive integral value of x for which the angle betwee...

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  8. If vectors vec a= hat i+2 hat j- hat k , vec b=2 hat i- hat j+ hat k ...

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  9. Find the values of lambda such that x ,y ,z!=(0,0,0) and ( hat i+ hat ...

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  10. A vector has component A1, A2a n dA3 in a right -handed rectangular Ca...

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  11. The position vectors of the point A ,B ,C and D are 3 hat i-2 hat j- h...

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  12. Let O A C B be a parallelogram with O at the origin andO C a diagonal....

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  13. In a triangle A B C ,Da n dE are points on B Ca n dA C , respectivley,...

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  14. Prove by vector method that the line segment joining the mid-points...

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  15. If the resultant of two forces is equal in magnitude to one of the ...

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  16. The axes of coordinates are rotated about the z-axis through an angle ...

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  17. Prove that the sum of three vectors determined by the medians of a ...

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  18. If two side of a triangle are hat i+2 hat j and hat i+ hat k , then...

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  19. If in parallelogram ABCD, diagonal vectors are vec A C=2 hat i+3 ha...

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  20. Find the resultant of vectors vec a= hat i- hat j+2 hat k and vec b...

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