Please solve int(3/x-cosx)dx?

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#int(3/x-cosx)dx#

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Answer 1 · 2018-04-12T04:41:21

#=3ln(|x|)-sinx+C#

#int(3/x-cosx)dx#
#=3ln(|x|)-sinx+C#

(integral of cosx is sinx because derivative of sinx is cosx)

(add the #+C# because this is an indefinite integral