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The midpoint of two opposite sides of...

The midpoint of two opposite sides of a quadrilateral and the midpoint of the diagonals are the vertices of a parallelogram. Prove that using vectors.

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CENGAGE PUBLICATION-VECTOR ALGEBRA-All Questions
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  2. Check whether the three vectors 2 hat i+2 hat j+3 hat k ,-3 hat i+3...

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

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

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  9. 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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  10. In the DeltaOAB,M is the mid-point of AB,C is a point on OM, such that...

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  11. If vec a , vec b are two non-collinear vectors, prove that the poi...

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

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  13. The number of distinct real values of lambda , for which the vectors...

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  14. If vec A O+ vec O B= vec B O+ vec O C , then A ,B and C are (where O...

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

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