A.B.C.D.
A.1) min y = -1; max y = ;2) ln3 - 1/3B.1) min y = -e; max y = ; 2) ln3 - 1/3C.1) min y = -e; max y = ; 2) ln2 - 1/2D.1) min y = -1; max y = ; 2) ln2 - 1/2
A.1) x = 2; x = 8; 2)B.1) x = 1 ; x = 4; 2)C.1) x = 3 ; x = 6; D.1) x = 4 ; x = 10; 2)
A.1B.1C.1D.1
A.A(3;1); C(1;3)B.A(3;1); C(1;-3)C.A(-3;1); C(1;-3)D.A(3;-1); C(1;-3)
A.(x;y) = (1;2)B.(x;y) = (3;4)C.(x;y) = (5;6)D.(x;y) = (7;8)
A.B.C.D.Cả 3 đáp án A, B, C
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