Pertanyaan

Bentuk rasional dari 10 3 − 10 2 adalah ....

Bentuk rasional dari $\frac{2}{10 3 - 10}$ adalah ....

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S. Nur

Master Teacher

Jawaban terverifikasi

Pembahasan

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 2 over denominator 10 square root of 3 minus 10 end fraction end cell equals cell fraction numerator 2 over denominator 10 square root of 3 minus 10 end fraction cross times fraction numerator 10 square root of 3 plus 10 over denominator 10 square root of 3 plus 10 end fraction end cell row blank equals cell fraction numerator 2 open parentheses 10 square root of 3 plus 10 close parentheses over denominator open parentheses 10 square root of 3 close parentheses squared minus 10 squared end fraction end cell row blank equals cell fraction numerator 20 square root of 3 plus 20 over denominator 300 minus 100 end fraction end cell row blank equals cell fraction numerator 20 open parentheses square root of 3 plus 1 close parentheses over denominator 200 end fraction end cell row blank equals cell 1 over 10 open parentheses square root of 3 plus 1 close parentheses end cell end table end style$