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If f'(x)= e^x+1/(1+x^2),what is f(x) ?...

If f'(x)= `e^x+1/(1+x^2),`what is f(x) ?

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f(x)= `e^x+1/(1+x^2)impliesf(x)=int(e^x+1/(1+x^2))dx e^x+tan^(-1)x+c`
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