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¶ÒÁ⨷Âì calculus
1. lim x-->3 ¢Í§ [xf(x)-333]/(x-3) = 2013 â´Â·Õè f(3)=111 áÅéÇ f'(3)=?
2. ãËé a áÅÐ b à»ç¹¨Ó¹Ç¹¨ÃÔ§ ¶éÒ a(x^5)+b(x)+4 ËÒôéÇ (x-1)^2 ŧµÑÇ áÅéÇ a-b à·èҡѺà·èÒã´ ¢ÍÇÔ¸Õ·Ó´éǹФÃѺ (ÊÔ觷ÕèʧÊÑ 1. µÍ¹·Õè¼Á·Ó¼Á´Ö§ 3 ÍÍ¡ÁÒ à»ç¹ 3(lim-->3 ¢Í§ [f(x)-f(3)]/(x-3))=2013 «Ö觨Ðä´éµèÍà»ç¹ 3f'(x)=2013 ¤ÓµÍºà»ç¹ 671 (áµèà©Å¤×Í 634) 2. à©Å·ӡÒôԿ áÅéÇá·¹¤èÒ x=1 ¨Ð·ÓãËéµÑ´ºÒ§µÑÇá»Ãä»ä´é áµè·Õè¼ÁʧÊѤ×Í â´àÁ¹¢Í§Áѹ ËéÒÁ = 1 äÁèãªè?? à¾ÃÒÐÊèǹ¨Ðà·èҡѺ 0) ¢Íº¤Ø³ÁÒ¡¤ÃѺæ (¼Áãªé latex äÁèà»ç¹¨ÃÔ§æ¤ÃѺ ¹Ñ觷ӹҹÁÒ¡äÁèä´é«Ñ¡·Õ ¢Íâ·É´éǹФÃѺ ¶éÒÍèÒ¹áÅéÇÁÖ¹æ )
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