Recent content by tballs

  1. T

    Dot product and cross product problem

    thank you I figured it out.
  2. T

    Dot product and cross product problem

    I am having problems with this questions my physics teacher gave us. Since he doesn't explain things well, I do not know how he got an answer of 66. Can you please explain to me how to get this answer? THX. For the following three vectors, what is C*(A X 3B) (the "*" is suppose to be a dot)...