www.ndwl.net > lim(n到无穷) n∫(0,π/4)[tAnx]^nDx

lim(n到无穷) n∫(0,π/4)[tAnx]^nDx

∫(secx)^3dx=∫secxdtanx =secxtanx-∫tanxdsecx =secxtanx-∫(tanx)^2secxdx =secxtanx-∫(sec^2x-1)secxdx =secxtanx-∫sec^3xdx+∫secxdx ...

网站地图

All rights reserved Powered by www.ndwl.net

copyright ©right 2010-2021。
www.ndwl.net内容来自网络,如有侵犯请联系客服。zhit325@qq.com