1、 下列四组函数,表示同一函数的是A f(x)=g根号x ² ,g(x)=x ; B f(x)=x ,g(x)=x ²÷x ;C f(x)=lnx ²,g(x)=2lnx ; D f(x)=logaa ²(a>0,a≠1),g(x)=根号立方x ³
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![1、 下列四组函数,表示同一函数的是A f(x)=g根号x ² ,g(x)=x ; B f(x)=x ,g(x)=x ²÷x ;C f(x)=lnx ²,g(x)=2lnx ; D f(x)=logaa ²(a>0,a≠1),g(x)=根号立方x ³](/uploads/image/z/1980811-19-1.jpg?t=1%E3%80%81+%E4%B8%8B%E5%88%97%E5%9B%9B%E7%BB%84%E5%87%BD%E6%95%B0%2C%E8%A1%A8%E7%A4%BA%E5%90%8C%E4%B8%80%E5%87%BD%E6%95%B0%E7%9A%84%E6%98%AFA+f%28x%29%3Dg%E6%A0%B9%E5%8F%B7x+%26%23178%3B+%2Cg%28x%29%3Dx+%3B+B+f%28x%29%3Dx+%2Cg%28x%29%3Dx+%26%23178%3B%C3%B7x+%3BC+f%28x%29%3Dlnx+%26%23178%3B%2Cg%28x%29%3D2lnx+%3B+D+f%28x%29%3Dlogaa+%26%23178%3B%28a%EF%BC%9E0%2Ca%E2%89%A01%29%2Cg%28x%29%3D%E6%A0%B9%E5%8F%B7%E7%AB%8B%E6%96%B9x+%26%23179%3B)
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