∫[0,1]dx⼀(e^x+e^-x)定积分谢谢了

2025-06-23 06:50:59
推荐回答(1个)
回答1:

dx/e^x+e^-x
=∫[de^x]/[e^(2x)+1]
=arctane^x+C
所以在[0,1]区间上积分就是
arctane-arctan1
=arctane-π/4