
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 line segment  $PQ$  with endpoints on the parabola  $y=x^2$  such that the area bounded by  $PQ$  and the parabola always equal to  $\frac 43.$  Find the equation of the locus of the midpoint  $M$ .

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