简单二重积分题∫上界π/6 下界0 dx∫上界x下界0 cosx/x dy 这个不好打 书上答案是直接等于∫上界π/6 下界0 cosx dx = sinx|上界π/6下界0=1/2直接等于的那部看不懂.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 14:32:24
![简单二重积分题∫上界π/6 下界0 dx∫上界x下界0 cosx/x dy 这个不好打 书上答案是直接等于∫上界π/6 下界0 cosx dx = sinx|上界π/6下界0=1/2直接等于的那部看不懂.](/uploads/image/z/10294118-62-8.jpg?t=%E7%AE%80%E5%8D%95%E4%BA%8C%E9%87%8D%E7%A7%AF%E5%88%86%E9%A2%98%E2%88%AB%E4%B8%8A%E7%95%8C%CF%80%2F6+%E4%B8%8B%E7%95%8C0+dx%E2%88%AB%E4%B8%8A%E7%95%8Cx%E4%B8%8B%E7%95%8C0+cosx%2Fx+dy+%E8%BF%99%E4%B8%AA%E4%B8%8D%E5%A5%BD%E6%89%93+%E4%B9%A6%E4%B8%8A%E7%AD%94%E6%A1%88%E6%98%AF%E7%9B%B4%E6%8E%A5%E7%AD%89%E4%BA%8E%E2%88%AB%E4%B8%8A%E7%95%8C%CF%80%2F6+%E4%B8%8B%E7%95%8C0+cosx+dx+%3D+sinx%7C%E4%B8%8A%E7%95%8C%CF%80%2F6%E4%B8%8B%E7%95%8C0%3D1%2F2%E7%9B%B4%E6%8E%A5%E7%AD%89%E4%BA%8E%E7%9A%84%E9%82%A3%E9%83%A8%E7%9C%8B%E4%B8%8D%E6%87%82.)
x){i'z^>_iGE3u~Ԟ
f
Ovt
)p
Xr~q~BJ3XdGӥ{uNVxsH)v<->_dWvAFPU(̫A*57B6M_6x>h&="}>P[`h7 xPf8F }/.Zu3PK$P!gOv@Kd;v