1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Proving (vector analysis)

  1. Feb 9, 2010 #1
    104. If a, b, c and a’, b’, c’ are such that
    a’• a = b’• b = c’• c = 1
    a’• b = a’• c = b’• a = b’• c = c’• a = c’ • b =0

    Prove that it necessarily follows that
    a^'= (b x c)/(a• bxc) , b^'= cxa/(a•bxc) ,
    c^'= axb/(a•bxc)
  2. jcsd
  3. Feb 9, 2010 #2
    Try to figure out the direction of a' with respect to b and c. What will be the direction of bxc with respect to a'?
    Now figure out the length of bxc using |a|, |a'| and the angle between a and a',
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook