说说f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)limx*sin(1/x) ∩{P丨PA=PC}a^2c c^2a ab(a-2b) bc(c-2b)

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说说f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)limx*sin(1/x) ∩{P丨PA=PC}a^2c c^2a ab(a-2b) bc(c-2b)
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说说f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)limx*sin(1/x) ∩{P丨PA=PC}a^2c c^2a ab(a-2b) bc(c-2b)
说说f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)limx*sin(1/x)
∩{P丨PA=PC}a^2c c^2a ab(a-2b) bc(c-2b)

说说f(x)=(2mx-m^2 1)/(x^2 1)(x∈R)limx*sin(1/x) ∩{P丨PA=PC}a^2c c^2a ab(a-2b) bc(c-2b)
y=【根号f(x-1)-1 】-3*f(3x 6)∴2ab/a b≤2ab/2√ab=√ab 比较m<0,n<0,求(√-m)2 (√-n)2比较y=【根号f(x-1)-1 】-3*f(3x 6)