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Verified answer
Kelas 9 MatematikaBab Akar dan Pangkat
8/(√5 + 3)
= 8/(√5 + 3) . (√5 - 3)/(√5 - 3)
= 8 (√5 - 3) / (√5² - 3²)
= 8 (√5 - 3) / (5 - 9)
= 8 (√5 - 3) / (-4)
= (-2) (√5 - 3)
= 6 - 2√5
Verified answer
8/(V5 + 3)= 8/(V5 + 3) × (V5 - 3)/(V5 - 3)
= (8V5 - 24)/(5 - 9)
= (8V5 - 24)/(-4)
= -2V5 + 6
= 6 - 2V5