Compute
\[\tan \left( 2 \arctan \frac{1}{5} - \frac{\pi}{4} \right).\]
Question:
Compute
\[\tan \left( 2 \arctan \frac{1}{5} - \frac{\pi}{4} \right).\]
Answer:
Let's think step by step.

user
-\frac{7}{17}
Compute
\[\tan \left( 2 \arctan \frac{1}{5} - \frac{\pi}{4} \right).\]
train