Toán Lớp 9: B=(2x+1/√x^3-1-√x/x+√x+1)(1+√x^3/1+√x-√x) (x>=0,x khác 1)
a) gr
b) tìm x để B=3
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Toán Lớp 9: B=(2x+1/√x^3-1-√x/x+√x+1)(1+√x^3/1+√x-√x) (x>=0,x khác 1)
a) gr
b) tìm x để B=3
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