Urgent ! Dau coroana !
![Urgent Dau Coroana class=](https://ro-static.z-dn.net/files/ddb/276dcdd117505b65c78b6bde06b0c83d.png)
Răspuns:
Explicație pas cu pas:
lim[x-√(x²-x)] amplificam cu conjugata
lim[x²-x²+x]/[x+√(x²-x)]=lim x/x[1/x+√(1-1/x)=lim1/[1+√(1-1/x²)]=1/(1+1)=1/2