x+1/x=6
x^2-6x+1=0
Δ=36-4=32
√Δ=4√2
x1=(6-4√2)/2=3-2√2 nie zgodne z założeniami zadania
x2=3+2√2
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x+1/x=6
x^2-6x+1=0
Δ=36-4=32
√Δ=4√2
x1=(6-4√2)/2=3-2√2 nie zgodne z założeniami zadania
x2=3+2√2