December 2018 1 24 Report
Własności wartości bezwzględnej. rozwiąż równania.
a)  \sqrt{(x+5) ^{2} } =5
b)  \sqrt{(3-x) ^{2} } = 2
c)  \sqrt{ x^{2} - 2x+1 } = 1
d)  \sqrt{4 x^{2}+4x+1 } =3
e)  \sqrt{ \frac{1}{4} +x + x^{2} } =4
f)  \sqrt{9x ^{2}-12x+4 } =6


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