Integrate the Function $$\int \frac { d x } { \left( 16 x ^ { 2 } + 1 \right) ^ { 2 } }$$

question 159

Multiple Choice

Integrate the function.
- $$\int \frac { d x } { \left( 16 x ^ { 2 } + 1 \right) ^ { 2 } }$$

• A) \(\frac { 4 x } { 16 x ^ { 2 } + 1 } + C\)
• B) \(\ln \left| \sqrt { 16 x ^ { 2 } + 1 } + 4 x \right| + C\)
• C) \(\frac { 1 } { 8 } \tan ^ { - 1 } 4 x + \frac { x } { 32 x ^ { 2 } + 2 } + C\)
• D) \(\tan ^ { - 1 } 4 x - \frac { 4 x } { 16 x ^ { 2 } + 1 } + C\)

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