C
cau_be_buon


giupminh bai nay diii:-SS
tinh tich phan tu 0>ln2 I= {2.e^3x+e^2x-1}/{e^3x+e^2x-e^x+1}dx
tinh tich phan tu 0>ln2 I= {2.e^3x+e^2x-1}/{e^3x+e^2x-e^x+1}dx
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