贵美习题又来啦 ()是要交的 *是第六版没有的 7-8 第六版 (9) 15 (19) (28) 33 42 (45) 47 (49) (55) 62 (63) 65 (73) 74 (90) (93) 94 (96) 7-7 第五版 (9) ** (23) (28) 33 ** (43) ** (47) (53) ** (61) ** (71) ** (84) (87) 88 (90) 以下是第五版没有的 第六版 7-8 Find the limit. Use l'Hospital's Rule where appropriate. If there is a more elementary method, cosider using it. If l'Hospital's Rule doesn't apply, explain why. 第15题 lim (ln x)/ x x→∞ 第42题 -x lim e ln x x→∞ 第47题 lim ( [x / (x-1)] - [1 / ln x] ) x→1 第62题 lim (2-x)^tan(πx/2) x→1 第65题 Illustrate l'Hospital's Rule by graphing both f(x)/g(x) and f'(x)/g'(x) near x = 0 to see that these ratios have the same limit as x→0. Also calculate the exact value of the limit. lim (1 + (2/x) ) ^ x x→∞ 第74题 Use l'Hospital's Rule to help sketch the curve. Use the guidelines of Sections 4.5. y = (x^2-3)^(e^-x) 有错要跟我说喔~~~ -- 梦是什麽 是现实的延续 现实是什麽 是梦的终结 --

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