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mimiloveforever1
2 năm trước
Cho P=x/x-4 + 1/căn x -2 + 1/căn x +2 Q=căn x -2/căn x -3 a)chứng minh P=căn x/căn x -2 b)vs x thuộc N . tìm max K=Q.(P-1)
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