b)
a)
gdzie t>0
Δ=(-6)²-4·1*8
Δ=36-32
Δ=4
√Δ=2
t₁=(6-2):2=4/2=2
t₂=(6+2):2=8:2=4
z t₁ mamy:
z t₂ mamy:
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b)
a)
gdzie t>0
Δ=(-6)²-4·1*8
Δ=36-32
Δ=4
√Δ=2
t₁=(6-2):2=4/2=2
t₂=(6+2):2=8:2=4
z t₁ mamy:
z t₂ mamy: