Lim x->0 ((sin 2x) + (sin 4x))/ cos 2x -1
Matematika
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Pertanyaan
Lim x->0 ((sin 2x) + (sin 4x))/ cos 2x -1
1 Jawaban
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1. Jawaban Anonyme
jawab
lim(x->0) (sin 2x + sin 4x)/(cos 2x -1)
lim(x-> 0) (2 sin 3x cos x) / (-2 sin² x)
lim(x->0) 2sin 3x/- 2 sin² x = 6x/(-2x²) = -3/x = ∞