Calculus

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u, v, w are UNIT VECTORS. the angle between vector v and w is 35 degrees.
find (v+w-3v). NOTE: vector u and w are on opposite sides of vector v.

  • Calculus -

    Something is not right in this question.

    Are all 3 vectors coplanar?
    Other than u is a unit vector, we have no other information about u.

    besides that, ....
    (v+w - 3v) would simply be w - 2v
    How does u enter the picture???

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