Question

Help me!!!!! Va rog ​

Answer 1

Răspuns:

Explicație pas cu pas:

(x²+4)/4-1=(x²-4x+4)/4x=(x-2)²/4x

1/2-1/x=(x-2)/2x

[(x²+4)/4-1]:[1/2-1/x]=(x-2)²/4x * 2x/(x-2) = (x-2)/2=x/2-1

deci E(x)=x/2-x/2+1=1