以下过程我将会说英文,高中生应该具备理解英文的能力噢.∫lnx/(x²+1)^(3/2) dx= ∫lnx d[∫dx/(x²+1)^(3/2)] = ∫lnx d[x/√(x²+1)],integration by parts,1st step= (xlnx)/√(x²+1) - ∫x/√(...