Pertanyaan

Bentuk sederhana dari a − a 4 1 − 3 + a 1 adalah ....

Bentuk sederhana dari $\frac{1 - \frac{1}{3 + a}}{a - \frac{4}{a}}$ adalah ....

$begin mathsize 12px style fraction numerator a over denominator left parenthesis a plus 2 right parenthesis left parenthesis a plus 3 right parenthesis end fraction comma space a not equal to negative 2 space comma a not equal to 3 end style$
$begin mathsize 12px style fraction numerator a over denominator left parenthesis a minus 2 right parenthesis left parenthesis a plus 3 right parenthesis end fraction comma space a not equal to negative 3 comma a not equal to 2 end style$
$begin mathsize 12px style fraction numerator a over denominator left parenthesis a minus 2 right parenthesis left parenthesis a plus 3 right parenthesis end fraction comma space a not equal to negative 3 comma a not equal to 2 end style$
$begin mathsize 12px style fraction numerator a over denominator left parenthesis a plus 2 right parenthesis left parenthesis a plus 3 right parenthesis end fraction comma space a not equal to negative 2 comma a not equal to negative 3 end style$

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$begin mathsize 12px style fraction numerator 1 minus begin display style fraction numerator 1 over denominator 3 plus a end fraction end style over denominator a minus begin display style 4 over a end style end fraction equals fraction numerator begin display style fraction numerator 1 left parenthesis 3 plus a right parenthesis minus 1 over denominator 3 plus a end fraction end style over denominator begin display style fraction numerator a squared minus 4 over denominator a end fraction end style end fraction space space space space space space space space space space space space space space space space space space space equals fraction numerator 3 plus a minus 1 over denominator 3 plus a end fraction space. space fraction numerator a over denominator a squared minus 4 end fraction space space space space space space space space space space space space space space space space space space space equals fraction numerator 2 plus a over denominator 3 plus a end fraction space. space fraction numerator a over denominator left parenthesis a minus 2 right parenthesis left parenthesis a plus 2 right parenthesis end fraction space space space space space space space space space space space space space space space space space space space equals fraction numerator a over denominator left parenthesis a minus 2 right parenthesis left parenthesis a plus 3 right parenthesis end fraction comma space a not equal to negative 3 comma a not equal to 2 end style$