Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 5 ln 
+ 
- ln 
+ sin-1 
+ C
B. 6 ln 
+ ln 
+ 
tan-1 
+ C
C. 7 ln 
+ ln 
+ 
tan-1 
+ C
D. 6 ln 
- 
+ ln 
+ 
tan-1 
+ C
Answer: D
Mathematics
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units apart. (-5, 5), (k, 0)
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