∫dx/(x⁴-x²)怎么算?∫dx/x（x²+1）,∫x/cos²x dx ∫dn/(1+eⁿ)²,∫xdx/(x⁴+2x²+5) ,∫dx/x√(a²-x²)
来源：学生学帮网 编辑：学帮网 时间：2024/06/28 15:42:23
∫dx/(x⁴-x²)怎么算?∫dx/x（x²+1）,∫x/cos²x dx ∫dn/(1+eⁿ)²,∫xdx/(x⁴+2x²+5) ,∫dx/x√(a²-x²)
∫dx/(x⁴-x²)怎么算?∫dx/x（x²+1）,∫x/cos²x dx ∫dn/(1+eⁿ)²,∫xdx/(x⁴+2x²+5) ,∫dx/x√(a²-x²)