Math Problem Statement
Soit a un nombre réel tel que 0≤a≤4 . Simplifier l'écriture suivante
(a−7)2−−−−−−−√a−−√−7–√
Question 3Réponse
A. −a−−√+7–√
B. −a−−√−7–√
C. a−−√+7–√
D. a−−√−7–√
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Square Roots
Absolute Value
Formulas
√(x²) = |x|
Simplifying square roots of squares
Theorems
Properties of Absolute Value
Simplifying Expressions with Square Roots
Suitable Grade Level
Grades 10-12
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