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Nilai limit x mendekati 2 x³ – 4x/x – 2 = ...

penyelesaian:
lim x³ – 4x = lim x(x² – 4)
x→2   x – 2     x→2    x – 2
= lim x(x – 2)(x + 2)
   x→2        x – 2
= lim x(x + 2)
   x→2
= 2(2 + 2)
= 2 × 4
= 8