Inverse Matrix and transpose

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inesramaral
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#1
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#1
I need to show that A is invertible knowing that 5AA’ +2A+5I=0
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davros
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#2
(Original post by inesramaral)
I need to show that A is invertible knowing that 5AA’ +2A+5I=0
You want to be able to find a matrix B such that AB = BA = I. Can you think of a way to do this??
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RDKGames
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#3
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(Original post by inesramaral)
I need to show that A is invertible knowing that 5AA’ +2A+5I=0
Rearrange for I and factor out A.
Last edited by RDKGames; 3 months ago
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