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viniterranova

  • 2 years ago

given the vectors u and v such that abs (u) = 3 and abs (v) = 5, determine the scalar product of (u-v)

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  1. terenzreignz
    • 2 years ago
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    the scalar product of what?

  2. viniterranova
    • 2 years ago
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    Sorry this is the question taken from a book here in Brazil. The answer is -16.

  3. phi
    • 2 years ago
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    the question must be asking what is the scalar product (otherwise known as the dot product) of \[ (u-v)\cdot(u+v)\]

  4. viniterranova
    • 2 years ago
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    Thanks your formulae is right.

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spraguer (Moderator)
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