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Express the Integrand as a Sum of Partial Fractions and Evaluate

Question 294

Multiple Choice

Express the integrand as a sum of partial fractions and evaluate the integral.
- 7x3+35x2+55x+23(x+3) (x+1) 3dx\int \frac { 7 x ^ { 3 } + 35 x ^ { 2 } + 55 x + 23 } { ( x + 3 ) ( x + 1 ) ^ { 3 } } d x


A) ln(x+3) 2(x+1) 5+3(x+1) 2+C\ln \left| ( x + 3 ) ^ { 2 } ( x + 1 ) ^ { 5 } \right| + \frac { 3 } { ( x + 1 ) ^ { 2 } } + C
B) ln(x+3) 2(x+1) 54(x+1) +1(x+1) 2+C\ln \left| ( x + 3 ) ^ { 2 } ( x + 1 ) ^ { 5 } \right| - \frac { 4 } { ( x + 1 ) } + \frac { 1 } { ( x + 1 ) ^ { 2 } } + C
C) ln(x+3) 2(x+1) 51(x+1) +4(x+1) 2+C\ln \left| ( x + 3 ) ^ { 2 } ( x + 1 ) ^ { 5 } \right| - \frac { 1 } { ( x + 1 ) } + \frac { 4 } { ( x + 1 ) ^ { 2 } } + C
D) ln(x+3) 2(x+1) 55(x+1) 2+C\ln \left| ( x + 3 ) ^ { 2 } ( x + 1 ) ^ { 5 } \right| - \frac { 5 } { ( x + 1 ) ^ { 2 } } + C

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