Pertanyaan

Bentuk rasional dari 8 − 3 10 2 adalah….

Bentuk rasional dari $\frac{10 2}{8 - 3}$ adalah….

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Klaim

S. Dwi

Master Teacher

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Ingat: Maka:

Ingat:

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Maka:

$fraction numerator 10 square root of 2 over denominator square root of 8 minus square root of 3 end fraction equals fraction numerator 10 square root of 2 over denominator square root of 8 minus square root of 3 end fraction cross times fraction numerator square root of 8 plus square root of 3 over denominator square root of 8 plus square root of 3 end fraction equals fraction numerator 10 square root of 2 left parenthesis square root of 8 plus square root of 3 right parenthesis over denominator open parentheses square root of 8 close parentheses squared minus open parentheses square root of 3 close parentheses squared end fraction equals fraction numerator 10 square root of 16 plus 10 square root of 6 over denominator 8 minus 3 end fraction equals fraction numerator 10 cross times 4 plus 10 square root of 6 over denominator 5 end fraction equals fraction numerator 40 plus 10 square root of 6 over denominator 5 end fraction equals 8 plus 2 square root of 6$