Evaluate `inte^(a tan^-1x)/(1+x^2)dx`

Evaluate: inte^(tan^-1x)/(1+x^2)dx

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Evaluate: int(tan^-1x)^2/(1+x^2)dx

Evaluate: int(tan^(-1)x)/(1+x^2)dx

Evaluate: inte^(tan^-1x)(1+x/(1+x^2))dx

Evaluate: int(e^(tan^(-1)x))/((1+x^2))[(sec^(-1)sqrt(1+x^2)+cos^(-1)((1-x^2)/(1+x^2))]dx,(x >0)dot

Evaluate: int(e^tan^(-1)(x))/(1+x^2)\ dx

Evaluate: int(sin(tan^(-1)x)/(1+x^2)dx )

Evaluate int (e^(m tan^(-1)x))/(1+x^(2))dx