" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
A = α
B= α+1
C= α-1
X₁ + x₂ = -b/a
X₁+2X₁ = - (α + 1)
3X₁ = -(α+1)
α
X₁ = - (α+ 1 )
3α
X₁. X₂ = c/a
X₁.2X₂=α-1
α
2X₁² = α -1
α
X₁² =α-1
2α
(-(α+1))² = α -1
3α 2α
α² +2α + 1 = α -1
9α² 2α
α²+2α+1 = α-1
9α 2
2α² + 4α +2=9α²-9α
7α²-13α-2 =0
(7α + 1 ) (α - 2)
α = -1/7 ∨ α = 2