DCachi:Dett=√(1-x^2)(t≥0)⇒t^2-1-x^2⇒tdt=-2xdx⇔t=tdt=xdx(10)/(11)Khi db:T=∫_1^0-t^2dt=(-t^3)/3=1/3Cách 2: Sừ dung máy tinh Casio Fx570 VN Plus.Sử dung phim ∫_a^0 aNhập hàm sô ta được kêt qưa là 1/3.- ...
Du an Xay Dung Nha May Xu Ly Nuoc Thai Su Dung Hoa Chat Tang Cuong (CEPT) - Tieu Du An Ve Sinh Moi Truong Phanh Pho Quy Nhon The project of constructing a wastewater treatment plant using Chemical Enhanced Primary Technology (CEPT) Wastewater Treatment Plant Project -- Quy Nhon C... ...
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