f{0,1} [(3x^4+3x^2+2)/(x^2+1)]dx怎么求 f{0,1}代表积分区间
问题描述:
f{0,1} [(3x^4+3x^2+2)/(x^2+1)]dx怎么求 f{0,1}代表积分区间
答
(3x^4+3x^2+2)/(x^2+1)=3x^2+2/(x^2+1) =x^3+2arctanx=1+PI/2
f{0,1} [(3x^4+3x^2+2)/(x^2+1)]dx怎么求 f{0,1}代表积分区间
(3x^4+3x^2+2)/(x^2+1)=3x^2+2/(x^2+1) =x^3+2arctanx=1+PI/2