已知函数f(x)=x/x 1(x≠—1).(1)证明:对于任意x,y>0,都有.
![若函数g(x)=|f(x)|-㏒(x 2)(以a为底)(a>0,a≠1)在区间[-1,1]上有有的](http://i.handsetwalls.com/uploads/i_1_1648636678x1033527158_253.jpg)
若函数g(x)=|f(x)|-㏒(x 2)(以a为底)(a>0,a≠1)在区间[-1,1]上有有的
方程:(√5-1)x=12
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根据函数表达式y=1/x的平方,你能说出它的图象的特征,试着画出它的
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