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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: ( 1/3 – 2x ) mũ 100 + ( 3y – x ) mũ 104 = 0 giúp mik vs

Tháng Tám 6, 2022 Toán học 1 Comment 0 views

Toán Lớp 7: ( 1/3 – 2x ) mũ 100 + ( 3y – x ) mũ 104 = 0
giúp mik vs

Comments ( 1 )

  1. cobelolen
    cobelolen
    6 Tháng Tám, 2022 at 5:04 sáng
    Reply
    #chẻ
    ( 1/3 – 2x ) ^ 100 + ( 3y – x ) ^ 104 = 0
    vì {:(( 1/3 – 2x ) ^ 100 >=0AAx inR),(( 3y – x ) ^ 104>=0AAyinRR):}}=>( 1/3 – 2x ) ^ 100 + ( 3y – x ) ^ 104 >= 0
    =>{(1/3-2x=0),(3y-x=0):}
    <=>{(-2x=-1/3),(3y=x):}
    <=>{(x=1/6),(y=x/3):}
    <=>{(x=1/6),(y=(1/6)/3=1/18):}
    <=>(x;y)=(1/6;1/18)

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222-9+11+12:2*14+14 = ? ( )

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