If P is non-singular matrix, then value of adjP−1 in terms of P is

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P/|P|

P|P|

none of these

answer is A.

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Detailed Solution

We know that for any non-singular matrix A,A−1=1|A|adjA Now put A=P−1. Then we have P−1−1=1P−1adjP−1⇒P=|P|adj⁡P−1⇒adj⁡P−1=P|P|

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