Мощно! Упростите:

Question

Мощно!

Упростите:

---

Answer 1

((asqrt(a)-4sqrt(a))/sqrt((a+4)^2/4a-4))-2a=

 

=(sqrt(a)(a-4)/(sqrt(4-a)^2/4a))-2a=-2a-2a=-4a