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[" 43.If "2A=([2,1],[3,2])" ,then What i...

[" 43.If "2A=([2,1],[3,2])" ,then What is "A^(-1)" equal to? "],[[" (a) "([2,-1],[-3,2])," (b) "(1)/(2)([2],[-3]-1])" (2013-II) "],[" (c) "(1)/(4)([2,-1],[-3,2])," (d) None of these "],[(2,3),(5-2)-(1-1)" ,then what "]

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