2 2x 1 m 2 m 0 July 8, 2019 16 32 64 128 Mx 2 2x m 2 2m 1 0 2x 2 m 2 m 1 x 2m 2 3m 5 0 2x 2 2 m 1 x m 2 4m 3 0 M 2 m 1 x 4 2x 2 0 luôn có nghiệm Sin 2x 2 m 1 sinx 3m m 2 )= 0 2x 2 2 m 1x m 1 0 2 x 1 m (2 + m) ^ 2 * (2 - m) ^ 2 2 x 2 m 2 x 2 5
