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posted by  Rose is beauty on 8/24/2009 4:20:59 AM  |  status: Closed  |  Earned Karma: 1318

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Question Details:
there are two matrices A and B  of  2*2  and
what is the value of
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posted by RedSox123 on 8/24/2009 4:22:48 AM  |  status: Live
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Response Details:
det(2*(AB)^-1) =
2*det((AB)^-1) =
2 * 1/det(AB) = 
2 * 1/(det(A)det(B)) =
2 * 1/(2*2) = 
1/2
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