Exercițiu 7
E(x)=( 2x
![Exercițiu 7 Ex 2x class=](https://ro-static.z-dn.net/files/da9/81da26deeece59254c08524401e51f56.png)
Răspuns:
→ = (x-6)(x+6) / x(x+6) + 12 / x(x-6) • x-6 / 2
= x-6 / x +6/x
= (x-6+6)/x
= x/x
= 1.
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