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CBSE Class 12-science Answered

If A is a non singular square matrix with |A| = 10 , find open vertical bar A to the power of negative 1 end exponent close vertical bar 
Asked by beena sajeev | 13 Mar, 2015, 06:10: PM
answered-by-expert Expert Answer

Hi Beena,

A to the power of negative 1 end exponent equals fraction numerator 1 over denominator open vertical bar A close vertical bar end fraction a d j A T h u s comma space open vertical bar A to the power of negative 1 end exponent close vertical bar equals fraction numerator 1 over denominator open vertical bar A close vertical bar end fraction open vertical bar a d j A close vertical bar equals 1 over 10 open vertical bar a d j A close vertical bar

All the best!!!!

Answered by | 13 Mar, 2015, 06:36: PM

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