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Linconnu7
@Linconnu7
April 2019
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Bonjour j'aurais besoins d'aide pour des exercices sur les racines carré svp :(
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slyz007
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√147=√(3x49)=√(3x7²)=7√3
√48=√(3x16)=√(3x4²)=4√3
√12=√(3x4)=√(3x2²)=2√3
Donc J=7√3+3x4√3-5x2√3-4√3=5√3
√28=√(4x7)=2√7
√63=√(9x7)=3√7
√567=√(81x7)=9√7
Donc K=-5x2√7+2x3√7+9√7=5√7
√52=√(4x13)=2√13
√117=√(9x13)=3√13
Donc H=5x2√13-6x3√13=-8√13
√500=√(5x100)=10√5
√125=√(5x25)=5√5
√180=√(5x36)=6√5
Donc I=2x10√5-5x5√5-3x6√5=-23√5
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Verified answer
√147=√(3x49)=√(3x7²)=7√3√48=√(3x16)=√(3x4²)=4√3
√12=√(3x4)=√(3x2²)=2√3
Donc J=7√3+3x4√3-5x2√3-4√3=5√3
√28=√(4x7)=2√7
√63=√(9x7)=3√7
√567=√(81x7)=9√7
Donc K=-5x2√7+2x3√7+9√7=5√7
√52=√(4x13)=2√13
√117=√(9x13)=3√13
Donc H=5x2√13-6x3√13=-8√13
√500=√(5x100)=10√5
√125=√(5x25)=5√5
√180=√(5x36)=6√5
Donc I=2x10√5-5x5√5-3x6√5=-23√5