September 7th, 2012, 10:13 AM  #1 
Member Joined: Sep 2012 Posts: 32 Thanks: 0  Doubts !
Please clarify the following doubts of mine . Q1 ) [attachment=1:142g6gcc]doubt.JPG[/attachment:142g6gcc] Q2 )[attachment=0:142g6gcc]dout.JPG[/attachment:142g6gcc] Awaiting for your reply . Thanks . 
September 7th, 2012, 11:54 AM  #2 
Math Team Joined: Mar 2012 From: India, West Bengal Posts: 3,871 Thanks: 86 Math Focus: Number Theory  Re: Doubts !
Q1: Q2: Ans c) 
September 7th, 2012, 06:46 PM  #3  
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 12,398 Thanks: 829  Re: Doubts ! Quote:
 
September 7th, 2012, 07:00 PM  #4 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 466 Math Focus: Calculus/ODEs  Re: Doubts !
One way to figure out the second problem is to write: 
September 7th, 2012, 07:15 PM  #5 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 466 Math Focus: Calculus/ODEs  Re: Doubts !
Another (similar) approach to the first problem: (1) (2) (3) Adding (1), (2) and (3) we obtain: 
September 7th, 2012, 07:18 PM  #6 
Member Joined: Sep 2012 Posts: 32 Thanks: 0  Re: Doubts !
Thank you very much for your kind and quick reply. You have cleared all my doubts.


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