MM (3√2+2√3)×(3√2₋√3)= !
Mathématiques
mekniasma26
Question
MM
(3√2+2√3)×(3√2₋√3)= !
(3√2+2√3)×(3√2₋√3)= !
1 Réponse
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1. Réponse mohayati2006
(3√2+2√3)×(3√2₋√3)= 3√2x3√2-3√2x√3+2√3x3√2-2√3x√3
=9x2-3x√2x√3+6√2x√3-2x9
=18-3√6+6√6-18
=3√6