Solve the Equation for Exact Solutions $$\tan ^ { - 1 } ( \mathrm { x } + 2 ) + \tan ^ { - 1 } \mathrm { x } = \tan ^ { - 1 } \frac { 1 } { 4 }$$

question 381

Multiple Choice

Solve the equation for exact solutions.
- $$\tan ^ { - 1 } ( \mathrm { x } + 2 ) + \tan ^ { - 1 } \mathrm { x } = \tan ^ { - 1 } \frac { 1 } { 4 }$$

• A) \(\{ 2 \}\)
• B) \(\left\{ \frac { 1 } { 2 } \right\}\)
• C) \(\left\{ - \frac { 3 } { 4 } , \frac { 3 } { 4 } \right\}\)
• D) \(\{ - 5 + 3 \sqrt { 2 } \}\)

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