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Bentuk 7 − 2 3 3 3 + 7 dapat disederhanakan menjadi bentuk...

Bentuk $\frac{3 3 + 7}{7 - 2 3}$ dapat disederhanakan menjadi bentuk...

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Klaim

A. Acfreelance

Master Teacher

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Pembahasan

$fraction numerator 3 square root of 3 plus square root of 7 over denominator square root of 7 minus 2 square root of 3 end fraction equals fraction numerator 3 square root of 3 plus square root of 7 over denominator square root of 7 minus 2 square root of 3 end fraction cross times fraction numerator square root of 7 plus 2 square root of 3 over denominator square root of 7 plus 2 square root of 3 end fraction equals fraction numerator 3 square root of 21 plus 18 plus 7 plus 2 square root of 21 over denominator 7 minus 12 end fraction equals fraction numerator 25 plus 5 square root of 21 over denominator negative 5 end fraction equals negative 5 minus square root of 21$