30 likes | 213 Vues
Math 1304 Calculus I. 4.04 – L’Hospital’s Rule and Indeterminate Forms. Indeterminate Forms. Sums and differences: ∞ - ∞ Products: ∞ 0 Quotients: ∞ / ∞ , 0 / 0 Powers: 0 0 , ∞ 0 , 1 ∞ More?. L’Hospital’s Rule.
E N D
Math 1304 Calculus I 4.04 – L’Hospital’s Rule and Indeterminate Forms
Indeterminate Forms • Sums and differences: ∞ - ∞ • Products: ∞ 0 • Quotients: ∞ / ∞ , 0 / 0 • Powers: 00 , ∞0 , 1∞ • More?
L’Hospital’s Rule L’Hospital’s Rule: Suppose f and g are differentiable and g’(x) ≠ 0 on an open interval I that contains a (except possibly at a). Suppose that lim xa f(x) = 0 and lim xa g(x) = 0 Or that lim xa f(x) = ∞ and lim xa g(x) = ∞ Then lim xa f(x)/g(x) = lim xa f’(x)/g’(x)