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`        	What is the Integration of 1/(1+atan(x))dx	please provide the solution of above problem		 `
one year ago

```							put tanx=ywe get dy=(1+y^2)dxor dy/[(1+y^2)(1+ay)]now simply write in form of partial fractions:1/[(1+y^2)(1+ay)]= c/(1+ay) + (fy+e)/(1+y^2) and determine the coefficients c d and fc/(1+ay) is integrated as cln(1+ay)/awrite (fy+e)/(1+y^2) as (fy)/(1+y^2) + (e)/(1+y^2) (e)/(1+y^2) has integral e*arctany.(fy)/(1+y^2) can be solved by letting 1+y^2=z so its integral isf/2*ln(1+y^2)add all these together now and thats it
```
one year ago
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