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Ira1704
@Ira1704
July 2022
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z^2 :(z-2)=4:(z-2)
Там где : это дробь
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ЭМТЯ
Z^2/(z-2)=4/(z-2)
z^2/(z-2)-4/(z-2)=0
(z^2-4)/(z-2)=0
(z-2)(z+2)/(z-2)=0
z+2=0
z=-2
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Answers & Comments
z^2/(z-2)-4/(z-2)=0
(z^2-4)/(z-2)=0
(z-2)(z+2)/(z-2)=0
z+2=0
z=-2