推 s90366770607:先將∫exp(x)用泰勒級數展開122.121.153.116 07/08 06:31
→ s90366770607:再將x=-(t^2/2)代入就好了122.121.153.116 07/08 06:31
1 ∞ (-1)^k
prove that ∫exp(-(t^2)/2)dt = Σ----------------
0 k=o (2k+1)(2^k)k!
請問高手該如何證明??
謝謝
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 61.216.212.90