
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
Given $C_n^6 = C_n^4$, the term containing $x^2$ in the expansion of $( \sqrt {x}- \frac {1}{3x})^{n}$ is the \_\_\_\_\_ term.

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