glisintull
glisintull glisintull
  • 09-06-2017
  • Mathematics
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Please help me answer this if you know Precalculus.

Please help me answer this if you know Precalculus class=

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mreijepatmat
mreijepatmat mreijepatmat
  • 09-06-2017
Since the projection of a vector on to itself leaves its magnitude unchanged, the dot product of any vector with itself is the square of that vector's magnitude

So the magnitude of u = √24 =√4.6 =2√6
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