A.(5;2)B.(2;5)C.(4;1)D.(1;4)
A.B.C.D.
A.a) x = 0; x = -1 ; b) x = 9/11B.a) x = 0; x = 1 ; b) x = 9/11C.a) x = 0; x = -1 ; b) x = 8/11D.a) x = 0; x = 1 ; b) x = 8/11
A.5/54B.4/45C.4/54D.5/45
A.m = 1/2B.m = 1C.m = 3/2D.m =2
A.M(-3;4)B.M(3;4)C.M(3;-4)D.M(-3; -4)
A.1B.1/3C.4/3D.5/3
A.S= (-1;1]B.S= (-1;1)C.S= [-1;1)D.S= [-1;1]
A.0,675B.1,25C.1,375D.0,375
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến