
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 a positive geometric sequence {a<sub>n</sub>} where a<sub>1</sub> = 1, and a<sub>1</sub>, a<sub>2</sub> + 2, a<sub>3</sub> form an arithmetic sequence.
(I) Find the general term formula for {a<sub>n</sub>}.
(II) If b<sub>n</sub> = (2n - 5) ⋅ a<sub>n + 1</sub>, find the sum of the first n terms T<sub>n</sub> for the sequence {b<sub>n</sub>}.

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