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f(x)=2acos^2xbsinxcosxinclude
题目详情
f(x)=2acos^2x bsinxcosxinclude
▼优质解答
答案和解析
（m 1)x2-mx m-1>0比如x=3*3*3*(-5)=-135比如f(x)=(2mx-m^2 1)/(x^2 1)(x∈R）f(x)满足f(X 1)=X
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