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loloreptile
@loloreptile
June 2021
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bonjour DM de maths en pièces jointes 3 exercices quelqu'un pourrait il m'aider SVP.
C'est du niveau seconde.
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loulakar
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Exo 1
A1= (2+√3)(1+√3)-(√3-1)²
A1= (2+2√3+√3+3)-(3-2√3+1)
A1= 5+3√3-4+2√3
A1= 1+5√3
A2= (4√5-7)²-(-4-2√7)(-4+2√7)
A2= 80-56√5+49-(16-8√7+8√7-28)
A2= 129-56√5+12
A2= 141-56√5
2 votes
Thanks 1
loloreptile
merci et pour les autres est ce que tu sais le faire ? mais merci quand meme :)
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Verified answer
Exo 1A1= (2+√3)(1+√3)-(√3-1)²
A1= (2+2√3+√3+3)-(3-2√3+1)
A1= 5+3√3-4+2√3
A1= 1+5√3
A2= (4√5-7)²-(-4-2√7)(-4+2√7)
A2= 80-56√5+49-(16-8√7+8√7-28)
A2= 129-56√5+12
A2= 141-56√5