Math Problem Statement

这个题做出来,告诉我每一个答案

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Necessary and Sufficient Conditions
Quadratic Equations

Formulas

ab = 0
a^2 + b^2 = 0
(a + b)(a - b) = 0
a^2 - ab + b^2 = 0

Theorems

Zero Product Property
Sum of Squares Equals Zero

Suitable Grade Level

Grades 10-12