R 语言计算积分的数值解1. 1.求下列积分的数值解 21034213()1ln)arcsi()(xxedxed(1) f integrate(f,0,1)0.3413447 with absolute error f integrate(f,1,3)2.459772 with absolute error f integrate(f,1,Inf)0.07797232 with absolute error f integrate(f,15,30)291.8696 with absolute error 3.2e-12