Polynomial Command

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Polynomial[ <Function> ]
Yields the expanded polynomial function.
Example: Polynomial[(x - 3)^2] yields x2 - 6x + 9.
Polynomial[ <List of Points> ]
Creates the interpolation polynomial of degree n-1 through the given n points.
Example: Polynomial[{(1, 1), (2, 3), (3, 5)}] yields 2x - 1.
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