[tex] \frac{4}{3 + 3 \sqrt{5} } \: = ...[/tex]
Matematika
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Pertanyaan
[tex] \frac{4}{3 + 3 \sqrt{5} } \: = ...[/tex]
1 Jawaban
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1. Jawaban Anonyme
dikali sekawan (3-3√5)/(3-3√5)
= 4(3 - 3√5) / (9 - 45)
= 12(1 - √5) / -36
= - (1 - √5) / 3