(1/x)+x=3,则x²/(x⁴+x²+1)=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 23:47:05
![(1/x)+x=3,则x²/(x⁴+x²+1)=?](/uploads/image/z/5264447-23-7.jpg?t=%281%2Fx%29%2Bx%3D3%2C%E5%88%99x%26%23178%3B%2F%EF%BC%88x%26%238308%3B%2Bx%26%23178%3B%2B1%EF%BC%89%3D%3F)
x)0ԯԮ5y1BMZ Z*m~OMR>zl( 36Ү3DE0P_.
4քKk96yv ow\
(1/x)+x=3,则x²/(x⁴+x²+1)=?
(1/x)+x=3,则x²/(x⁴+x²+1)=?
(1/x)+x=3,则x²/(x⁴+x²+1)=?
(1/x)+x=3,
(1/x)^2+2+x^2=9
(1/x)^2+x^2=7
则x²/(x⁴+x²+1)
=1/(x²+1+1/x²)
=1/(7+1)
=1/8