X 2 2 m 3 x 2 m 1 )= 0 July 8, 2019 16 32 64 128 Cho pt x 2 2 m 3 x 2 m 1 )= 0 Fie ecuatia m 3 x 2 2 m 1 x m 2 0 X 2 2 m 1 x m 2 2m 3 0 X 2 2 m 1 x m 2 4m 3 0 3 x 2 2 m 2 x 5 m 1 0 M 1 x 2 2(m + 3)x m+2 0 có nghiệm
