diket 2x²-3x+1=0 akar akarnya x1 dan x2 maka 1/x1 +1/x2 adalah

2x² - 3x + 1 = 0
(2x - 1)(x - 1) = 0

2x₁ - 1 = 0
2x₁ = 1
      = 1/2
x₂ - 1 = 0
x₂ = 1
maka 1/x₁ + 1/x₂ = 1/(1/2) + 1/1
                           = 2 + 1
                           = 3