0
$\begingroup$

I'm trying to understand a proof from Yahoo Answers

http://in.answers.yahoo.com/question/index;_ylt=ArPgiZQnQIXqbb0t61DlLusazKIX;_ylv=3?qid=20120209041852AANkOYp

It does not look like part (a) is done very clearly. Can someone explain it?

Thanks

  • 5
    Questions should be self-contained if possible.2012-02-12
  • 0
    What does $\mu - 1$ in the statement of (a) indicate?2012-02-12
  • 0
    probably the inverse2012-02-12

1 Answers 1