
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
Simplify the expression given by \(\frac{a^{-1} - b^{-1}}{a^{-3} + b^{-3}} : \frac{a^{2} b^{2}}{(a+b)^{2} - 3ab} \cdot \left(\frac{a^{2} - b^{2}}{ab}\right)^{-1}\) for \( a = 1 - \sqrt{2} \) and \( b = 1 + \sqrt{2} \).

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