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begin mathsize 14px style limit as x rightwards arrow 4 of fraction numerator x squared minus 5 x plus 4 over denominator x minus 4 end fraction equals end style

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Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow 4 of fraction numerator x squared minus 5 x plus 4 over denominator x minus 4 end fraction end cell equals cell limit as x rightwards arrow 4 of fraction numerator left parenthesis x minus 4 right parenthesis times left parenthesis x minus 1 right parenthesis over denominator left parenthesis x minus 4 right parenthesis end fraction end cell row blank equals cell limit as x rightwards arrow 4 of left parenthesis x minus 1 right parenthesis end cell row blank equals cell 4 minus 1 end cell row blank equals cell 3 space. end cell end table end style 

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