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Verified answer
Kelas 9 MatematikaBab Akar dan Pangkat
(√2 - √3)/(√2 + 2 √3)
= (√2 - √3)/(√2 + 2√3) . (√2 - 2√3)/(√2 - 2√3)
= (√2² - 2√6 - √6 + 2 √3²)/(√2² - (2√3)²)
= (2 - 3√6 + 6)/(2 - 12)
= (8 - 3√6)/(-10)
= (-1/10) (8 - 3√6)
✩✩ D ✩✩