rozwiaz rownania a)3 b) c) d) e)
a)
b)
c) x ≠ 0
Δ = 36 - 4 · 1 · (-7) = 36 + 28 = 64 , √Δ = 8
x₁ = , x₂ =
d)
e)
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a)
b)
c) x ≠ 0
Δ = 36 - 4 · 1 · (-7) = 36 + 28 = 64 , √Δ = 8
x₁ = , x₂ =
d)
e)