rozwiąż równanie 17-x^2=0
17-x²=0
x²-17=0
Δ=0-4*1*(-17)=68
√Δ=√68=√17*4=2√17
x1=-2√17/2=-√17
x2=2√17/2=√17
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17-x²=0
x²-17=0
Δ=0-4*1*(-17)=68
√Δ=√68=√17*4=2√17
x1=-2√17/2=-√17
x2=2√17/2=√17
v