Vector Magnitude

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The Magnitude of a vector simply means the length of that vector.
The symbol for magnitude is "||".

So,  how do you calculate the magnitude of AB or |AB|, given its column vector?

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Where does the formula to calculate the magnitude come from?

Is |AB| ever negative?

  • Hide the magnitude of AB
  • Drag A and/or B to new positions
  • Calculate the magnitude
  • Check your answer