x₁ + x₂ = 0.4
Объяснение:
∛(2ˣ · ∛(4ˣ · 0.125¹/ˣ)) = ⁹√4
⁹√(2³ˣ · 2²ˣ · 2⁻³/ˣ) = ⁹√(2²)
2⁽⁵ˣ ⁻³/ˣ⁾ = 2²
5x - 3/x = 2
5x² - 2x - 3 = 0
D = 4 + 60 = 64
√D = 8
x₁ = (2 - 8)/10 = -0.6
x₂ = (2 + 8)/10 = 1
x₁ + x₂ = -0.6 + 1 = 0.4
x₁ + x₂ = 0.4
Объяснение:
∛(2ˣ · ∛(4ˣ · 0.125¹/ˣ)) = ⁹√4
⁹√(2³ˣ · 2²ˣ · 2⁻³/ˣ) = ⁹√(2²)
2⁽⁵ˣ ⁻³/ˣ⁾ = 2²
5x - 3/x = 2
5x² - 2x - 3 = 0
D = 4 + 60 = 64
√D = 8
x₁ = (2 - 8)/10 = -0.6
x₂ = (2 + 8)/10 = 1
x₁ + x₂ = -0.6 + 1 = 0.4