
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
Observe the following expressions: $\sqrt{1-\frac{1}{2}}=\sqrt{\frac{1}{2}}$; $\sqrt{2-\frac{2}{5}}=2\sqrt{\frac{2}{5}}$; $\sqrt{3-\frac{3}{10}}=3\sqrt{\frac{3}{10}}$; $\sqrt{4-\frac{4}{17}}=4\sqrt{\frac{4}{17}}$; $\ldots$; Please express the pattern in the form of letters ______.

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