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Bab Limit
Matematika SMA Kelas XI

lim (√(x + 2(√(x + 1))) / √(x - 2(√(x + 1))))
x→5
= lim (√(5 + 2(√(5 + 1))) / √(5 - 2(√(5 + 1))))
  x→5
= (√(5 + 2√6) / (√5 - 2√6)
= (√3 + √2) / (√3 - √2)
= (√3 + √2) (√3 + √2) / (√3² - √2²)
= (3 + 2 √6 + 2) / (3 - 2)
= 5 + 2√6