解方程:1/(x*x+11x-8)+1/(x*x+-8)+1/(x*x-3x-8)=0解方程:1/(x*x+11x-8)+1/(x*x+2x-8)+1/(x*x-3x-8)=0

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/30 18:49:48
解方程:1/(x*x+11x-8)+1/(x*x+-8)+1/(x*x-3x-8)=0解方程:1/(x*x+11x-8)+1/(x*x+2x-8)+1/(x*x-3x-8)=0
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解方程:1/(x*x+11x-8)+1/(x*x+-8)+1/(x*x-3x-8)=0解方程:1/(x*x+11x-8)+1/(x*x+2x-8)+1/(x*x-3x-8)=0
解方程:1/(x*x+11x-8)+1/(x*x+-8)+1/(x*x-3x-8)=0
解方程:1/(x*x+11x-8)+1/(x*x+2x-8)+1/(x*x-3x-8)=0

解方程:1/(x*x+11x-8)+1/(x*x+-8)+1/(x*x-3x-8)=0解方程:1/(x*x+11x-8)+1/(x*x+2x-8)+1/(x*x-3x-8)=0
用换元法
设x*x+11x-8=A然后再做

是不是写的有点问题哟?咋中间那括号里加减号连用呢,写掉了一项?