100z^2-20z+1=0

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Solution for 100z^2-20z+1=0 equation: 



100z^2-20z+1=0

a = 100; b = -20; c = +1;
Δ = b2-4ac
Δ = -202-4·100·1
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$z=\frac{-b}{2a}=\frac{20}{200}=1/10$

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