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If A and B are invertible matrices of or...

If A and B are invertible matrices of order `3`, `|A|=2` and `|(AB)^(-1)|=-(1)/(6)`, find `|B|`

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The correct Answer is:
`-3`
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MODERN PUBLICATION-DETERMINANTS-Examples (FREQUENCY ASKED QUESTIONS)
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  16. Solve the following system of equations by matrix method : x+y-2=3...

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