
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
The eccentricity of the hyperbola \\(\dfrac{x^2}{4} - \dfrac{y^2}{5} = 1\\) can be calculated using the formula $\sqrt{1 + \frac{b^2}{a^2}}$, where $a^2 = 4$ and $b^2 = 5$. Determine the value of this expression.

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