Question

DAU COROANA CELUI CARE RASPUNDE PRIMUL SI CORECT .

Answer 1

Salut,

E(x)=x+1/x^2+1÷(x+3/4x-4 - 1/x-1)×(1-1/x+1)

x+1/x^2+1÷(x+3/4(x-1)-1/x-1)×x+1-1/x+1

simplificam x+1 Cu x+1

1/x^2+1÷x+3-4/4(x-1)×x

1/x^2+1÷x-1/4(x-1)×x

1/x^2+1×4x

4x/x^2+1

$by \\ 7646$