MathDB
The Maximum Value

Source: 1992 National High School Mathematics League, Exam One, Problem 12

February 27, 2020
function

Problem Statement

The maximum value of function f(x)=x4−3x2−6x+13−x4−x2+1f(x)=\sqrt{x^4-3x^2-6x+13}-\sqrt{x^4-x^2+1} is________.
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