Express the integrand as a sum of partial fractions and evaluate the integral.dx

A. ln  -  tan-1  -  + C
B. ln  -  tan-1  + C
C. -  tan-1  -  + C
D. ln  -  + C

Answer: A

Mathematics

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C. -36i - 63j
D. -36 - 63

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A. , - 
B. , 
C. - , - 
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