12/x²-4 + 3/x+2 = 12/( (х+2)(х-2) ) + ( 3(х-2) ) / ( (х+2)(х-2) ) = (12 + 3х - 6) / ( (х+2)(х-2) ) = ( 3(х+2)) / ( (х+2)(х-2) ) = 3/(х-2) = 3/(3002-2) = 3/3000 = 0,001
12/x²-4 + 3/x+2 = 12/( (х+2)(х-2) ) + ( 3(х-2) ) / ( (х+2)(х-2) ) = (12 + 3х - 6) / ( (х+2)(х-2) ) = ( 3(х+2)) / ( (х+2)(х-2) ) = 3/(х-2) = 3/(3002-2) = 3/3000 = 0,001