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toto31770
@toto31770
June 2021
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Bonsoir,
Ayant été absent lors des cours, pourriez-vous m'aider à développer les deux expressions présentes en pièces jointes ? Merci :)
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winner123
Verified answer
Bonsoir
B = ( 4 - 3√2)² = identité remarquable
B = 16 - 24 √2 + 18
b = 34 - 24√2
C = (√3 + 1)( √3 - 1) = identité remarquable = a² - b²
C = 3 - 1 = 2
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toto31770
Merci beaucoup :)
ahlemhalouma
B) (4-3√2)²=4²_2×4×3√2+(3√2)²=16_24√2+18=34_24√2 C) (√3_1)(√3+1)= √3²_1²=3_1=2
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Verified answer
BonsoirB = ( 4 - 3√2)² = identité remarquable
B = 16 - 24 √2 + 18
b = 34 - 24√2
C = (√3 + 1)( √3 - 1) = identité remarquable = a² - b²
C = 3 - 1 = 2