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[]\OT1/cmr/m/n/10 Calcoliamo l'inversa di $[] \OML/cmm/m/it/10 x$ \OT1/cmr/m/n/
10 (per l'inversa di $[] \OML/cmm/m/it/10 x; [] x$ \OT1/cmr/m/n/10 si pro-cede 
analoga-
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\OMS/cmsy/m/n/10 9[] [] \OML/cmm/m/it/10 f[]\OT1/cmr/m/n/10 (\OML/cmm/m/it/10 x
\OT1/cmr/m/n/10 ) = [] \OML/cmm/m/it/10 f[]\OT1/cmr/m/n/10 (\OML/cmm/m/it/10 x\
OT1/cmr/m/n/10 ) = \OML/cmm/m/it/10 l  \OMS/cmsy/m/n/10 )  [] [] \OT1/cmr/m/n/1
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[9] [10] [11] (./lcalc.aux) ) 
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Output written on lcalc.dvi (11 pages, 23264 bytes).