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## Main Question or Discussion Point

Hi,

Part of solving a differential equation involves integrating M(x,y) with respect to x, where M(x,y) = x + tan

[tex]\int[/tex] tan

Thank you.

Part of solving a differential equation involves integrating M(x,y) with respect to x, where M(x,y) = x + tan

^{-1}(y). What are the steps to integrating the arctan portion?[tex]\int[/tex] tan

^{-1}(y) dxThank you.