二、两个重要极限 2.71828 2.Iim(1+ 2.71828 x→00 2510100100010000…… (1+ 2.25 2.492.592.7052.7182.71827 10|-100-1000-100010000 (1+ 28827322.720271832.71828 Economic-mathematics 16-13 Wednesday, February 24, 2021Economic-mathematics 16 - 13 Wednesday, February 24, 2021 e x x x + = → ) 1 2. lim(1 二、两个重要极限 x x x ) 1 (1+ 1 2  2.25 2.49 2.59 2.705 2.718 2.71827  2 5 10 100 1000 10000 x x x ) 1 (1+ 2.88  2.732 2.720 2.7183 2.71828  −10 −100 −1000 −10000 −100000 -1 10 7 -5 10 6 5 10 6 1 10 7 2.71828 2.71828 2.71828