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a^2=m-1, m-1≥0→m≥1
a*b=m→→a²*b²=m²
b^2=3m-2, 3m-2≥0→m≥2/3 czyli ostatecznie m≥1
a²*b²=m²
(m-1)(3m-2)=m²
3m²-2m-3m+2=m²
2m²-5m+2=0
Δ=25-16=9, √Δ=3
m₁=1/2 sprzeczne, m₂=2
czyli m=2
a^2=m-1=1
b^2=3m-2=4
a=-1
b=-2lub
a=1
b=2