解方程x-2002/2003 +x-2003/2002 =2003/x-2002 +2002/x-2003解方程(x-2002/2003)+(x-2003/2002)=(2003/x-2002)+(2002/x-2003)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/12 04:37:52
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解方程x-2002/2003 +x-2003/2002 =2003/x-2002 +2002/x-2003解方程(x-2002/2003)+(x-2003/2002)=(2003/x-2002)+(2002/x-2003)
解方程x-2002/2003 +x-2003/2002 =2003/x-2002 +2002/x-2003
解方程(x-2002/2003)+(x-2003/2002)=(2003/x-2002)+(2002/x-2003)
解方程x-2002/2003 +x-2003/2002 =2003/x-2002 +2002/x-2003解方程(x-2002/2003)+(x-2003/2002)=(2003/x-2002)+(2002/x-2003)
(x-2002)/2003+(x-2003)/2002=2003/(x-2002)+2002/(x-2003)
(x-2002)/2003-2003/(x-2002)=2002/(x-2003)-(x-2003)/2002
(x^2-4005x)/[2003(x-2003)]=(4005x-x^2)/[2002(x-2002)]
x1=0
4005x^2-(4005^2+2003^2+2002^2)x+4005(2003^2+2002^2)=0
(x-4005)(4005x-2002^2-2003^2)=0
x2=4005
x3=(2003^2+2002^2)/4005= 8020013/4005
sb
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自己做很
简单的
没有窍门
答案是:
(x-2002)/2003+(x-2003)/2002=2003/(x-2002)+2002/(x-2003)
(x-2002)/2003-2003/(x-2002)=2002/(x-2003)-(x-2003)/2002
(x^2-4005x)/[2003(x-2003)]=(4005x-x^2)/[2002(x-2002)]
x1=0
4005...
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答案是:
(x-2002)/2003+(x-2003)/2002=2003/(x-2002)+2002/(x-2003)
(x-2002)/2003-2003/(x-2002)=2002/(x-2003)-(x-2003)/2002
(x^2-4005x)/[2003(x-2003)]=(4005x-x^2)/[2002(x-2002)]
x1=0
4005x^2-(4005^2+2003^2+2002^2)x+4005(2003^2+2002^2)=0
(x-4005)(4005x-2002^2-2003^2)=0
x2=4005
x3=(2003^2+2002^2)/4005= 8020013/4005
收起
x-2002)/2003+(x-2003)/2002=2003/(x-2002)+2002/(x-2003)
(x-2002)/2003-2003/(x-2002)=2002/(x-2003)-(x-2003)/2002
(x^2-4005x)/[2003(x-2003)]=(4005x-x^2)/[2002(x-2002)]x1=0
4005x^2-(4005^2+200...
全部展开
x-2002)/2003+(x-2003)/2002=2003/(x-2002)+2002/(x-2003)
(x-2002)/2003-2003/(x-2002)=2002/(x-2003)-(x-2003)/2002
(x^2-4005x)/[2003(x-2003)]=(4005x-x^2)/[2002(x-2002)]x1=0
4005x^2-(4005^2+2003^2+2002^2)x+4005(2003^2+2002^2)=0
(x-4005)(4005x-2002^2-2003^2)=0
x2=4005
x3=(2003^2+2002^2)/4005= 8020013/4005
zhi dao le ba
收起