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Vectors Math

  1. Feb 27, 2015 #1
    1. The problem statement, all variables and given/known data
    Verify using an example that a(b+c) is not equal to ab+ac. (This means that addition does not distribute over the dot product.)

    Vector A be in the y direction (Ax=0 , Ay=1 , Az = 0)
    Vector B be in the x direction (Bx=1 , By=0 , Bz = 0)

    so, Vector AƗB components:

    x = Ay * Bz - By * Az = 0
    y = Az * Bx - Bz * Ax = 0
    z = Ax * By - Bx * Ay = -1

    so,

    AxB = (0 , 0 , -1)

    would this work?

    2. Relevant equations


    3. The attempt at a solution
     
  2. jcsd
  3. Feb 27, 2015 #2

    Mark44

    Staff: Mentor

    Please don't start new threads when you have another thread open on the same problem.
     
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