Root Command

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Root[Polynomial]
Yields all roots of the polynomial as intersection points of the function graph and the x‐axis.
Root[Function, Number a]
Yields one root of the function using the initial value a for Newton's method.
Root[Function, Number a, Number b]
Yields one root of the function in the interval [a, b] (regula falsi).

CAS Syntax

Root[Polynomial]
Yields all roots of the polynomial as intersection points of the function graph and the x‐axis.
Example:
Root[x^3 - 3 * x^2 - 4 * x + 12] yields {x = 3, x = 2, x = -2}.
Note:
This command is only a special variant of Solve Command.
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