SUSUNLAH PERSAMAAN KUADRAT YANG AKAR AKARNYAH SEBAGI BERIKUT
A. 3 DAN 4
B. 1 PER 2 DAN -5
A. 3 DAN 4
B. 1 PER 2 DAN -5
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Verified answer
A.
x₁ = 3
x₂ = 4
Persamaan kuadrat
(x - x₁)(x - x₂) = 0
(x - 3)(x - 4) = 0
x² - 3x - 4x + 12 = 0
x² - 7x + 12 = 0
B.
x₁ = 1/2
x₂ = -5
(x - x₁)(x - x₂) = 0
(x - 1/2)(x - (-5)) = 0
(x - 1/2)(x + 5) = 0
x² - 1/2x + 5x - 5/2 = 0
2x² - x + 10x - 5 = 0
2x² + 9x - 5 = 0