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)...
Nguyen, T. H., & Ross, A. (2017). Barriers and opportunities for the involvement of indigenous knowledge in water resources management in the Gam River Basin in north-east Vietnam. Water Alternatives, 10(1), 134–159. Google Scholar Niamir, M. (1990). Herders’ decision-making in na...