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Thread: Vector Multiple Choice Question

  1. #1
    Member Mr Rayon's Avatar
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    Vector Multiple Choice Question

    $\displaystyle ABCD$ is a trapezium where $\displaystyle AB = 2$, $\displaystyle DC = 3u$ and $\displaystyle AD = v$. $\displaystyle M $is the midpoint of $\displaystyle DC$. Vector $\displaystyle BM$ expreseed in terms of $\displaystyle u$ and $\displaystyle v $is equal to:

    A) $\displaystyle v - \frac{3}{4}u$

    B) $\displaystyle v - \frac{3}{2}u$

    C) $\displaystyle -v + \frac{3}{2}u$

    D) $\displaystyle v - \frac{9}{4}u$

    E) $\displaystyle -v - \frac{3}{4}$



    I have also drawn a diagram for this, but unfortunately I cannot include it in this thread. I am completely useless when it comes to coputers!
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  2. #2
    MHF Contributor Calculus26's Avatar
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    Are you sure AB = 2 ? or do you mean AB = 2u ?
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