Been stuck on this integral all day and I'm not sure what I'm doing wrong. I believe the answer involves creating a perfect square and using arctan but it's not working out
![lf f(x) is a quadratic expression which is positive for all real vaues of x and g(x) = f(x) + f'(x) + f\"(x) then for any real value of x](https://dwes9vv9u0550.cloudfront.net/images/9461700/80b6c3f7-ae9b-48eb-90d4-689d67a5e867.jpg "lf f(x) is a quadratic expression which is positive for all real vaues of x and g(x) = f(x) + f'(x) + f\\"(x) then for any real value of x")
lf f(x) is a quadratic expression which is positive for all real vaues of x and g(x) = f(x) + f'(x) + f\"(x) then for any real value of x
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