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"Let "f(x)=((2^(x)+2^(-x))sin xsqrt(tan^...

`"Let "f(x)=((2^(x)+2^(-x))sin xsqrt(tan^(-1)(x^(2)-x+1)))/((7x^(2)+3x+1)^(3))`. Then find the value of f'(0).

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"Let "f(x)=((2^(x)+2^(-x))sin x sqrt(tan^(-1)(x^(2)-x+1)))/((7x^(2)+3x+1)^(3)) . Then find the value of f'(0).

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