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The position vectors of the point A ,B ,...

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`.

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Prove that point hat i +2 hat j - 3 hat k ,2 hat i - hat j + hat k and 2 hat i + 5 hat j - hat k from a triangle in space.

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CENGAGE ENGLISH-VECTOR ALGEBRA-All Questions
  1. Find the values of lambda such that x ,y ,z!=(0,0,0) and ( hat i+ hat ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. The points with position vectors 60 i+3j ,40 i-8j ,a i-52 j are col...

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  19. Let alpha, beta and gamma be distinct real numbers. The points whose ...

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  20. Let vec a= vec i- vec k , vec b=x vec i+ vec j+(1-x) vec k and vec c...

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