the question and where i got stuck in this link:
http://img187.imageshack.us/img187/8868/44429492ix7.gif
the question and where i got stuck in this link:
http://img187.imageshack.us/img187/8868/44429492ix7.gif
did i prove it correctly
i solved it differently from the article
is that ok?
http://img224.imageshack.us/img224/9929/93418507so5.gif