X y 3 2x 2y 4 July 8, 2019 16 32 64 128 X y 3 2x 2 4xy 2y 2 X 3 2x 2y xy 4x X 3 2x 2y xy 2 4x Solve 2x y 3 and x 2y 4 by using determinant method Giải hpt 2x y 3 x 2y 4 If 3 2x 2y x 4 y 2 1 Solve 2x y 3 and x 2y 4 using matrix method 2x 2y y 3 2x 4 x 6 X 2 y 3 )- 2y 3 )- 2x 2 )+ 4 Giải hệ pt 2x y 3 x 2y 4 3 x 4 y 10 2x 2y 2
