Toán Lớp 7: Tìm x : (x-7)^x+1 – (x-7)^ x+11 = 0
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Toán Lớp 7: Tìm x : (x-7)^x+1 – (x-7)^ x+11 = 0
Comments ( 2 )
$⇒12=0$ (Vô lý)
Vậy không tìm được x thỏa mãn