Toán Lớp 9: 1 – √(4x ² -12x +9) =0
x ² – √x ² =0
x ² + √x ² =0
x+ √(x ² -4x+4) =0
x- √(4x ² -12x +9)=3
3x-1- √(4x ² -12x+9)=0
*giải các PT trên ạ
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Toán Lớp 9: 1 – √(4x ² -12x +9) =0
x ² – √x ² =0
x ² + √x ² =0
x+ √(x ² -4x+4) =0
x- √(4x ² -12x +9)=3
3x-1- √(4x ² -12x+9)=0
*giải các PT trên ạ
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