Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Limits
Trigonometric Functions
Discontinuities
L'Hopital's Rule
Formulas
f(x) = (x^2 + 9x) / (1 - cos(3x))
cos(3x) = 1
lim_{x -> 0} [f'(x) / g'(x)]
Theorems
L'Hopital's Rule
Cosine Function Properties
Suitable Grade Level
Undergraduate Level (Calculus I)
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