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Bentuk sederhana dari 5 − 2 5 − 2 adalah...

Bentuk sederhana dari $\frac{5 - 2}{5 - 2}$ adalah...

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Klaim

M. Robo

Master Teacher

Jawaban terverifikasi

Pembahasan

$fraction numerator 5 minus square root of 2 over denominator square root of 5 minus 2 end fraction cross times fraction numerator square root of 5 plus 2 over denominator square root of 5 plus 2 end fraction equals fraction numerator left parenthesis 5 minus square root of 2 right parenthesis left parenthesis square root of 5 plus 2 right parenthesis over denominator 5 minus 4 end fraction equals 5 square root of 5 minus square root of 2. square root of 5 plus 10 minus 2 square root of 2 equals 5 square root of 5 minus square root of 10 plus 10 minus 2 square root of 2 equals negative 2 square root of 2 plus 5 square root of 5 minus square root of 10 plus 10$