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The Integral x21x4dx\int \frac { x ^ { 2 } } { 1 - x ^ { 4 } } d x

Question 151

Multiple Choice

The integral x21x4dx\int \frac { x ^ { 2 } } { 1 - x ^ { 4 } } d x is


A) 14ln1+x1xtan1x4+C\frac { 1 } { 4 } \ln \left| \sqrt { \frac { 1 + x } { 1 - x } } \right| - \frac { \tan ^ { - 1 } x } { 4 } + C
B) 14ln1+x1x+tan1x2+C- \frac { 1 } { 4 } \ln \left| \sqrt { \frac { 1 + x } { 1 - x } } \right| + \frac { \tan ^ { - 1 } x } { 2 } + C
C) 14ln1+x1xtan1x2+C- \frac { 1 } { 4 } \ln \left| \sqrt { \frac { 1 + x } { 1 - x } } \right| - \frac { \tan ^ { - 1 } x } { 2 } + C
D) 14ln1+x1xtan1x2+C\frac { 1 } { 4 } \ln \left| \sqrt { \frac { 1 + x } { 1 - x } } \right| - \frac { \tan ^ { - 1 } x } { 2 } + C
E) 14ln1+x1x+tan1x2+C\frac { 1 } { 4 } \ln \left| \sqrt { \frac { 1 + x } { 1 - x } } \right| + \frac { \tan ^ { - 1 } x } { 2 } + C

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