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Kelas 11 Matematika
Bab Limit

lim (x² - 5x + 4) / (x³ - 1)
x→1 

= lim ((x - 4) (x - 1)) / ((x - 1) (x² + x + 1)
   x→1

= (1 - 4) / (1 + 1 + 1)
= -3/3
= -1