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vf321
 3 years ago
Is \((AB)^{1}=A^{1}B^{1}\) for square matrices A and B?
vf321
 3 years ago
Is \((AB)^{1}=A^{1}B^{1}\) for square matrices A and B?

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vf321
 3 years ago
Best ResponseYou've already chosen the best response.0really? I couldn't find anything that says so. Wikipedia or google...

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.2Shouldn't it be \(\Large (AB)^{1}=B^{1}A^{1}\) ???

vf321
 3 years ago
Best ResponseYou've already chosen the best response.0Yeah that's what I thought too.

vf321
 3 years ago
Best ResponseYou've already chosen the best response.0I guess the matrices I tried it out on were trivial...

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.2AB = C (AB)^(1)(AB) = (AB)^(1)C I = (AB)^(1)AB I = B^(1)A^(1)AB I = B^(1)[A^(1)A]B I = B^(1)[I]B I = B^(1)B I = I It's explained better here http://mathworld.wolfram.com/MatrixInverse.html

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0Oh I totally didn't even read it... sorry :/
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