lim_(x→0) (sin 3x)/(sin 5x) =
A1
B0
C3/5
D5/3
Answer & Solution
Correct answer: C. 3/5
Rewrite: (sin 3x / 3x) × (5x / sin 5x) × (3/5). As x → 0, sin(ax)/ax → 1 for any a. Limit = 1 × 1 × 3/5 = 3/5.
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