求积分...一道物理题,最终的积分式为求积分.....(=゚Д゚=)
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求积分...一道物理题,最终的积分式为求积分.....(=゚Д゚=)
求积分...
一道物理题,最终的积分式为
求积分.....(=゚Д゚=)
求积分...一道物理题,最终的积分式为求积分.....(=゚Д゚=)
原式=(A/(4πε))∫[(L+b)/(L+b-z)^2-1/(L+b-z)]dz
=(A/(4πε))[(L+b)/(L+b-z)+ln│L+b-z│]│
=(A/(4πε))[(L+b)/(L+b-L)+ln│L+b-L│-(L+b)/(L+b-0)-ln│L+b-0│]
=(A/(4πε))[(L+b)/b+ln│b│-1-ln│L+b│]
=(A/(4πε))[(L/b+ln│b/(L+b)│].