anonymous
  • anonymous
Determine whether the matrix has an inverse. If an inverse exists, find it. -5 -18 2 7
Mathematics
jamiebookeater
  • jamiebookeater
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Loser66
  • Loser66
yes
jdoe0001
  • jdoe0001
so, what is it?
jdoe0001
  • jdoe0001
hehe, don't leave us in suspense :P

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anonymous
  • anonymous
So how do you find the inverse of that matrix
jdoe0001
  • jdoe0001
well, let's find the DETERMINANT first, can you find the determinant of that 2x2 matrix?
Loser66
  • Loser66
read it,at the middle page http://www.mathsisfun.com/algebra/matrix-inverse.html
Directrix
  • Directrix
@douglas12 If you are allowed to use technology in your work, check out the online matrix inverse calculator at http://www.bluebit.gr/matrix-calculator/
Directrix
  • Directrix
@douglas12 Post what you get as the inverse.

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