Question

Решить уравнение: (x-7)²≤√11*(x-7)

Answer 1

(x-7)²≤√11*(x-7)
(x-7)²-√11*(x-7)≤0
(x-7)(x-7-√11)≤0
x₁=7 x₂=7+√11

-∞___ + ___ [7] ___ - ___ [7+√11]___ + ___ +∞

x∈[7;7+√11]