bonjour
entier naturel
B = ( √ 3 + 1 ) ( √ 3 - 1 ) = √ 3² - 1 ² = 3-1 = 2
C = ( √ 5 + 1 ) ² = 5 + 2√5 + 1 = 6 + 2√ 5
nombre rationnel
D = 2/5 + 7 = 2/5 + 35/5 = 37/6
rationnel non décimal
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bonjour
entier naturel
B = ( √ 3 + 1 ) ( √ 3 - 1 ) = √ 3² - 1 ² = 3-1 = 2
entier naturel
C = ( √ 5 + 1 ) ² = 5 + 2√5 + 1 = 6 + 2√ 5
nombre rationnel
D = 2/5 + 7 = 2/5 + 35/5 = 37/6
rationnel non décimal