anonymous
  • anonymous
Can someone please help!! (question is attached)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
Remember that the magnitude \(|\vec{a}|\) and dot product \(\vec{a}\cdot\vec{b}\) both operate on *vector(s)* to yield a *scalar*.
anonymous
  • anonymous
also just to double check, you cant multiply a vector and a scalar together right

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anonymous
  • anonymous
so would first one be valid
anonymous
  • anonymous
im thinking its valid, valid,invalid, valid
anonymous
  • anonymous
am i right?
anonymous
  • anonymous
@oldrin.bataku
anonymous
  • anonymous
The last is valid? Are you sure? It's a dot product between a scalar and vector.
anonymous
  • anonymous
oh no yr right its invalid
anonymous
  • anonymous
thank you!:)

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