x₁=1 x₂=2.5
Пошаговое объяснение:
2x²- 3x - 5 = 0
D = 9 + 40 = 49>0
x₁ = √49 - 3/4 = 7 - 3/4 = 4/4 = 1
x₂ = √49 + 3/4 = 7 + 3/4 = 10/4 = 2.5
x₁=1 x₂=2.5
Пошаговое объяснение:
2x²- 3x - 5 = 0
D = 9 + 40 = 49>0
x₁ = √49 - 3/4 = 7 - 3/4 = 4/4 = 1
x₂ = √49 + 3/4 = 7 + 3/4 = 10/4 = 2.5