Overview
Inverse permutations and polynomial roots are fundamental concepts in mathematics that help us understand arrangements and equations. Inverse permutations allow us to reverse the order of elements, which is crucial in various applications, including computer science and cryptography. Polynomial root...
Key Terms
Example: The permutations of {1, 2} are (1, 2) and (2, 1).
Example: If f(x) = 2x, then f⁻¹(x) = x/2.
Example: P(x) = x² + 3x + 2.
Example: The roots of x² - 4 are x = 2 and x = -2.
Example: x = (-b ± √(b² - 4ac)) / 2a.
Example: x² - 4 can be factored as (x - 2)(x + 2).