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Calculate the Taylor polynomial T4(x) of degree 4 about 0 for f(x)=x*tanh(x) hint: recall that x*tanh(x)=(xe^x...

Calculate the Taylor polynomial T4(x) of degree 4 about 0 for f(x)=x*tanh(x)

hint: recall that x*tanh(x)=(xe^x - xe^-x)/(e^x+e^-x)

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