A. 13
Penjelasan dengan langkah-langkah:
2x² - 8x + 3 = 0
a = 2, b = -8, c = 3
α + β = -b/a = -(-8)/2 = 4
α x β = c/a = 3/2
α² + β² = (α + β)² - 2αβ
= 4² - 2 x 3/2
= 16 - 3
= 13
a = 2
b = -8
c = 3
U/a + B = -(-8)/2
= 4
U/a × B = 3/2
a² + B² = a² + b² - 2aB
= 4² - 2 × 3/2
ScienceProfessor
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A. 13
Penjelasan dengan langkah-langkah:
2x² - 8x + 3 = 0
a = 2, b = -8, c = 3
α + β = -b/a = -(-8)/2 = 4
α x β = c/a = 3/2
α² + β² = (α + β)² - 2αβ
= 4² - 2 x 3/2
= 16 - 3
= 13
2x² - 8x + 3 = 0
a = 2
b = -8
c = 3
U/a + B = -(-8)/2
= 4
U/a × B = 3/2
a² + B² = a² + b² - 2aB
= 4² - 2 × 3/2
= 16 - 3
= 13
ScienceProfessor