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

question 67

Multiple Choice

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

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

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