∫arctan(x/2)dx

∫arctan(x/2)dx ∫arctan√x dx ∫arctan^2x/(1+x^2)dx 求积分∫(arctan(1/x)/(1+x^2))dx 求不定积分∫(arctan(1/x)/(1+x^2))dx 一个不定积分问题∫x^2*arctan(7x)dx... ∫Arctan(1+x^2)dx怎么求? ∫arctan√(x^2-1)dx求不定积分 ∫(arctan√x)/√x dx ∫arctan(1+√x)dx d∫arctan[sqrt(x)] dx=? 求微积分arctan(x^1/2)dx 不定积分arctan(1+x^1/2)dx 求不定积分：∫2x/[(1+x^4)arctan(x^2)] dx ∫dx/(√(x)(1+x))=2arctan(√(x))+c ∫(arctan√x)/[√x*(1+x)]dx 不定积分arctan根号x dx 求下列不定积分 ∫(arctan e^x)/(e^2x)dx