Inverse matrix

  • Thread starter Ry122
  • Start date
  • #1
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Can someone please show me how to get this.

http://users.on.net/~rohanlal/Untitled-3.jpg [Broken]

I get the same answer but the sign of everything is the opposite.
 
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Answers and Replies

  • #2
Defennder
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What is the formula to find inverse of a 2x2 matrix?
 
  • #3
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Inverse of A = [a b; c d] =>

(1/ad-bc) [ d -b; -c a]


Thanks

Asif
 
  • #4
Dick
Science Advisor
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Can someone please show me how to get this.

http://users.on.net/~rohanlal/Untitled-3.jpg [Broken]

I get the same answer but the sign of everything is the opposite.
How the heck can we show you what you did wrong if you don't show us what you did?? Huh? Nobody is allowed to simply work it out for you. You should know that.
 
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