Nilai limit dari ekspresi aljabar (sin 3x) / x ketika x mendekati 0 adalah...

Answer and explanation

Correct answer: D. 3

Berdasarkan limit trigonometri dasar lim_{u -> 0} (sin u)/u = 1. Di sini lim_{x -> 0} (sin 3x)/x = 3 lim_{x -> 0} (sin 3x)/(3x) = 3 1 = 3.

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