lncognlto
  • lncognlto
How do I work out the absolute value for vector u if u = (1, -2, 6)?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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lncognlto
  • lncognlto
I need to use it in the equation \[u.v = \left| u \right|\left| v \right| \cos \theta \]
amistre64
  • amistre64
\[|u|=\sqrt{(u_x)^2+(u_y)^2+(u_z)^2}\] its just a distance formula
amistre64
  • amistre64
square, add, sqrt

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lncognlto
  • lncognlto
I remember now, yes, thanks again. :) This is work from the beginning of the year I am going over again.
amistre64
  • amistre64
good luck :) you can also think of it as the sqrt of the dot product of u.u
lncognlto
  • lncognlto
Ok, cool, thanks :)

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