x + x*=2 * znaczy kwadrat
równania wielomianowe
na teraz;)
x+x²=2
x²+x-2=0
Δ=1-(-8)
Δ=9
√Δ=3
x1=(-1-3)/2
x1=-2
x2=(-1+3)/2
x2=1
x+x*-2 = 0
x*+x-2 = 0
delta = 1-4*1*-2
delta = 9
pierwiastek z delty = 3
x1 = -b - (pierwiastek z delty)/2a
x1 = -1-3/2 = -2
x2= -b - 3 (pierwiastek z delty) / 2a
x2 = 1- 3 /2 = - 1
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x+x²=2
x²+x-2=0
Δ=1-(-8)
Δ=9
√Δ=3
x1=(-1-3)/2
x1=-2
x2=(-1+3)/2
x2=1
x+x*-2 = 0
x*+x-2 = 0
delta = 1-4*1*-2
delta = 9
pierwiastek z delty = 3
x1 = -b - (pierwiastek z delty)/2a
x1 = -1-3/2 = -2
x2= -b - 3 (pierwiastek z delty) / 2a
x2 = 1- 3 /2 = - 1