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Lavilavi06
a fost răspuns

E(x,u)= [tex] x^{2} -2xy+y^{2} , x,y[/tex]∈Z , calculati E(2,-5)

Răspuns :

[tex]E(x,y)=x^2-2xy+y^2=(x-y)^2 \\ E(2,-5)=(2-(-5))^2=(2+5)^2=7^2=49[/tex]
Parola
E(x,y)=(x-y)²
E(2,-5)=(2-(-5))²=
E(2,-5)=(2+5)²
E(2,-5)=7²
E=(2,-5)=49
 

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