1.

int (2 + cos x//2)/(x + sin x//2)dx =

Answer»

LOG`|x + sin""(x)/(2)| + `C
`(1)/(2) log | x + sin ""(x)/(2) | + C `
`2 log | x + sin""(x)/(2)| + C `
`-(1)/(2) log| x + sin""(x)/(2) |` + C

Answer :C


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