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Find P^(-1) , if exists and given P=[{:...

Find `P^(-1)` , if exists and given `P=[{:(10,-2),(-5,1):}]`

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The correct Answer is:
Hence , `P^(-1)` does not exist .
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ARIHANT PUBLICATION-MATRICES -QUESTIONS FPR PRACTICE Part IV (Inverse of a Matrix by Elementary Operations ( Short Answer Type Questions )
  1. Find P^(-1) , if exists and given P=[{:(10,-2),(-5,1):}]

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