...75: Mot hoc sinh tim nguyen ham cua ham so y=x√(1-x) nhu...
Cau 75: Mot hoc sinh tim nguyen ham cua ham so y=x√(1-x) nhu sau:(1) DaCu=1-xtandurcd=(1-u)√u .(II) Suyray=u^(1/2)-u^(3/2)(II I ): Vay nguyen ham F(x)=2/3u^(2/3)-2/5u^(5/2)+C(IV) Thay u = 1 - x ta duoe: F(x)=2/3(1-x)√(1-x)...