Zadania w załączniku bardzo pilne
C) 10x²-3x=1 |-1
10x²-3x-1=0
Δ=9-40=49 ; √Δ=7
x₁= 3-7/20=0,2
x₂=3+7/20=0,5
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C) 10x²-3x=1 |-1
10x²-3x-1=0
Δ=9-40=49 ; √Δ=7
x₁= 3-7/20=0,2
x₂=3+7/20=0,5