Question

Dengan Caranya terimakasih

Answer 1

Verified answer

3x²-x-4 = 0
x1+x2 = ⅓
x1.x2 = -4/3

α = 3x1-1
β = 3x2-1

α+β = (3x1-1)+(3x2-1)
= 3(x1+x2) - 2
= 3 (⅓) - 2
= 1

α.β = (3x1-1)(3x2-1)
= 9x1.x2 -3 (x1+x2) +
= 9(-4/3) - 3(⅓) + 1
= -12 -1+1
= -12

pk : x² - (α+β)x + αβ = 0
: x² - x - 12 = 0