Express the integrand as a sum of partial fractions and evaluate the integral.
A. ln 
+ 
tan-1 
+ C
B. 3 ln 
+ 
tan-1 
+ C
C. 3 ln 
+ tan-1 
+ C
D. 3 ln 
+ 
tan-1 
+ C
Answer: D
Mathematics
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A.
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C.
D.
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