प्रश्नो के फलनों का समाकलन कीजिए
`(sqrt(x^(2)+1)[log(x^(2)+1)-2logx])/(x^(4))`

Answer

`-1/3(1+(1)/(x^(2)))^(3//2)[log(1+(1)/(x^(2)))-(2)/(3)]+C`