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find the inverese of the following matr...

find the inverese of the following matrices by using elementary column transformations: `(i) [{:(3,-1),(-4,2):}](ii)[{:(2,-6),(1,-2):}]`

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The correct Answer is:
`(i)(1)/(2)[{:(2,1),(4,3):}](ii) (1)/(2)[{:(-2,6),(-1,2):}]`
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