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

If vectors ` vec a= hat i+2 hat j- hat k , vec b=2 hat i- hat j+ hat k` and `vec c=lambda hat i+ hat j+2 hat k` are coplanar, then find the value of `(lambda-4)`.

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CENGAGE ENGLISH-VECTOR ALGEBRA-All Questions
  1. 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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  2. Find the least positive integral value of x for which the angle betwee...

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

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

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

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

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

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

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

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

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

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  12. Three coinitial vectors of magnitudes a, 2a and 3a meet at a point ...

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

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

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

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  16. Check whether the three vectors 2 hat i+2 hat j+3 hat k ,-3 hat i+3...

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  17. The midpoint of two opposite sides of a quadrilateral and the midpo...

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  18. Prove that the lines joining the vertices of a tetrahedron to the ce...

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  19. Find the angle of vector vec a = 6 hat i + 2 hat j - 3 hat k with x -...

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  20. If the vectors vecalpha=a hat i+a hat j+c hat k , vecbeta= hat i+ hat...

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