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November 9th, 2010, 07:34 AM  #1 
Member Joined: Apr 2010 Posts: 91 Thanks: 0  Solving for X (inverses)
Let , where and are invertible n x n matrices. What does X equal to? Attempt: but I dont think this is right. 
November 9th, 2010, 01:47 PM  #2  
Global Moderator Joined: May 2007 Posts: 6,835 Thanks: 733  Re: Solving for X (inverses) Quote:
 
November 9th, 2010, 02:42 PM  #3 
Senior Member Joined: Oct 2009 Posts: 105 Thanks: 0  Re: Solving for X (inverses)
What makes you think it's not correct?

November 9th, 2010, 11:28 PM  #4 
Member Joined: Apr 2010 Posts: 91 Thanks: 0  Re: Solving for X (inverses)
It was a multiple choice question, but I am not getting the right form. Here are the options: A) B) C) D) E) 
November 10th, 2010, 04:07 AM  #5 
Senior Member Joined: May 2008 From: York, UK Posts: 1,300 Thanks: 0  Re: Solving for X (inverses)
What happens when you multiply the into the terms in parentheses on its right hand side?

November 10th, 2010, 04:21 AM  #6 
Member Joined: Apr 2010 Posts: 91 Thanks: 0  Re: Solving for X (inverses)
You get the answer E). Thanks 

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