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Diketahui dan . Tentukanlah .

Diketahui begin mathsize 14px style f left parenthesis x right parenthesis equals x minus 2 end style dan begin mathsize 14px style g left parenthesis x right parenthesis equals x squared minus x minus 2 end style. Tentukanlah begin mathsize 14px style left parenthesis bevelled f over g right parenthesis left parenthesis x right parenthesis end style.

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Jawaban:

begin mathsize 14px style f left parenthesis x right parenthesis equals x minus 2 end style dan begin mathsize 14px style g left parenthesis x right parenthesis equals x squared minus x minus 2 end style

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell left parenthesis bevelled f over g right parenthesis left parenthesis x right parenthesis end cell equals cell fraction numerator f open parentheses x close parentheses over denominator g open parentheses x close parentheses end fraction end cell row blank equals cell fraction numerator x minus 2 over denominator x squared minus x minus 2 end fraction end cell row blank equals cell fraction numerator x minus 2 over denominator left parenthesis x minus 2 right parenthesis left parenthesis x plus 1 right parenthesis end fraction end cell row blank equals cell fraction numerator up diagonal strike x minus 2 end strike over denominator up diagonal strike left parenthesis x minus 2 right parenthesis end strike left parenthesis x plus 1 right parenthesis end fraction space end cell row blank equals cell fraction numerator 1 over denominator x plus 1 end fraction end cell end table end style  

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