2 2 _______ ________ \/ a - 6 + \/ a - 10
(sqrt(a - 6))^2 + (sqrt(a - 10))^2 при a = 1
(sqrt(a - 6))^2 + (sqrt(a - 10))^2
(sqrt((1) - 6))^2 + (sqrt((1) - 10))^2
(sqrt(1 - 6))^2 + (sqrt(1 - 10))^2
-14
-16 + 2*a
(-6.0 + a)^1.0 + (-10.0 + a)^1.0
2*(-8 + a)