lim x->0 sin kuadrat 2x/ x kuadrat
Matematika
Fenny081220
Pertanyaan
lim x->0 sin kuadrat 2x/ x kuadrat
1 Jawaban
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1. Jawaban daffaci
Lim x>0 sin² 2x / x²
= Lim x>0 sin 2x . sin 2x / x²
= Lim x>0 2 sin x cos x . 2 sin x cos x / x . x
= Lim x>0 2 . 1. cos x . 2 1. cos x
= 2 . 1 . 2 . 1 = 4