I have posted same thread twice due to internet connection problems. I'm so sorry. The original thread is this: http://www.mathhelpforum.com/math-he...ne-182203.html You can delete this thread.
I have posted same thread twice due to internet connection problems. I'm so sorry. The original thread is this: http://www.mathhelpforum.com/math-he...ne-182203.html You can delete this thread.