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फलनों का x के सापेक्ष समाकलन कीजिए - `(1)/(sqrt((x^(2)+2x+2)))`

Answer» Correct Answer - `log[(x+1)+sqrt((x^(2)+2x+2))]`
`int(1)/(sqrt((x^(2)+2x+2)))dx=int(1dx)/(sqrt((x+1)^(2)+1))=int(dt)/(sqrt(t^(2)+1))`
`"जब " t=x+t rArr dx=dt`


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