
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
1. Find the equation of the hyperbola that shares a common focus and has an eccentricity of $\frac{\sqrt{5}}{2}$ with the ellipse $\frac{x^2}{9} + \frac{y^2}{4} = 1$.
2. A line $l$ with a slope of 1 passes through the right focus of the ellipse $\frac{x^2}{4} + y^2 = 1$ and intersects the ellipse at points A and B. Find the length of chord AB.

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