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nvinhn1509
2 năm trước
BÀI 1: Cho P= ( 2+x/x-2 + x/ x+2 - 4/x^2-4) : (x - x^2/x+2) a/ rút gọn P b/ tìm giá trị nguyên của x để P có giá trị nguyên dương c/ tính giá trị P biết x thỏa mãn: -x^2 - x +2 d/ tìm x để P lớn hơn 0
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