Re: [微積] 台大考古題
10。
(a) 對不起 只會這題
u u u^2 u^n
Note that e = 1 + ----- + ----- + .... + ----- + ...
1! 2! n!
2 n 2n
-x x^2 x^4 (-1) x
e = 1 - ----- + ----- + .... + --------- + ...
1! 2! n!
~
2 n 2n+2
2 -x 2 x^4 x^6 (-1) x
x e = x - ----- + ----- + .... + ---------- + ...
1! 2! n!
~
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