2 2 _______ _____ \/ a - b + \/ 4*a
(sqrt(a - b))^2 + (sqrt(4*a))^2 при a = 1
(sqrt(a - b))^2 + (sqrt(4*a))^2
(sqrt((1) - b))^2 + (sqrt(4*(1)))^2
(sqrt(1 - b))^2 + (sqrt(4))^2
5 - b
-b + 5*a
(a - b)^1.0 + 4.0*a^1.0
2 _______ \/ a - b + 4*a