
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Through the right focus of the hyperbola \( x^{2}-\frac{y^{2}}{2}=1 \), a line \( l \) intersects the hyperbola at points \( A \) and \( B \). If the real number \( \lambda \) makes \( |AB|=\lambda \) and there are exactly 3 such lines \( l \), then \( \lambda = \) ____.

Present the answer in LaTex format: \boxed{Your answer}
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