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May 17th, 2011, 04:18 PM  #11 
Senior Member Joined: Apr 2011 From: USA Posts: 782 Thanks: 1  Re: Binomial Theorem (probability)
Thanks. Hey, I'm looking at this code of yours: \binom{5}{4}\(\frac{1}{2}\)^5=\frac{5}{32} So the "binom" is automatically making a fraction and putting parenthesis around it right? (I got annoyed that my right parenthesis was a singleline instead of the doubleheight for a fraction, and had to go edit it to fix it.) And you've got \'s in front of both the left and right parenthesis of the middle fraction. Is that doing the same thing as "\left" and "\right"??? 
May 17th, 2011, 04:23 PM  #12 
Senior Member Joined: Mar 2011 Posts: 105 Thanks: 0  Re: Binomial Theorem (probability)
thank you, so much,,,, I just make sense....!! but I"m working on that crazy to make sure understand that deeply

May 17th, 2011, 04:29 PM  #13 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Binomial Theorem (probability)
yes, \(\) is the same as \left(\right) "most" of the time. I always preview my post to make sure. \binom{n}{r} doesn't make a fraction, it produces the binomial coefficient nCr(n,r) : (notice there is no bar). 
May 17th, 2011, 04:32 PM  #14  
Senior Member Joined: Apr 2011 From: USA Posts: 782 Thanks: 1  Re: Binomial Theorem (probability) Quote:
Quote:
 
May 17th, 2011, 04:33 PM  #15  
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Binomial Theorem (probability) Quote:
 
May 17th, 2011, 04:35 PM  #16  
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Binomial Theorem (probability) Quote:
You and my wife would be great friends, of this I am sure!!  
May 17th, 2011, 05:15 PM  #17  
Senior Member Joined: Mar 2011 Posts: 105 Thanks: 0  Re: Binomial Theorem (probability) Quote:
Thank you so much, Mr.MarkFL... You're my best teacher ever  
May 17th, 2011, 05:45 PM  #18  
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Binomial Theorem (probability) Quote:
 
May 18th, 2011, 09:08 AM  #19  
Senior Member Joined: Mar 2011 Posts: 105 Thanks: 0  Re: Binomial Theorem (probability) Quote:
I'm Asian  
May 18th, 2011, 01:15 PM  #20 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Binomial Theorem (probability) soroban and aswoods are members here that are particularly good at probability problems. 

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