Evaluate the integral by using a substitution prior to integration by parts.
A. x cos (ln x) + sin (ln x)+ C
B. 
[cos (ln x) + sin (ln x)] + C
C. 
[cos (ln x) - sin (ln x)] + C
D. x[cos (ln x) + sin (ln x)] + C
Answer: B
Mathematics
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?
?
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A. (
, 
), (-
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C. (-
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