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若函数f(x)=ax+b的零点为2,那么函数g(x)=bx2-ax的零点是( )...
若函数f(x)=ax+b的零点为2,那么函数g(x)=bx
2-ax的零点是( )
A.0,2
B.0,
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C.0,-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225811698201587/SYS201311012258116982015009_ST/1.png)
D.2,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225811698201587/SYS201311012258116982015009_ST/2.png)
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