Find the radius of convergence of the power series. 
Definitions:
Incremental Change
signifies a gradual, step-by-step approach to change, emphasizing evolutionary rather than revolutionary shifts.
Discontinuous Change
A significant, sudden, or radical transformation that disrupts the existing order or manner of functioning within a system or organization.
Strategic Change
A systematic approach to transforming an organization's goals, processes, or technologies to address evolving external and internal forces and improve its performance and competitiveness.
Highly Analytical
The ability to critically assess information or situations, often involving detailed examination of components or structure.
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