Question

Решите неравенство
(x-3)²≤ (x-4)²

Answer 1

$(x-3)^{2} leq (x-4)^{2} \ } (x-4)^{2}-(x-3)^{2} geq 0 \ (x-4-x+3)(x-4+x-3) geq 0 \ -(2x-7) geq 0 \ 2x-7 leq 0 \ x leq 3,5 \ xin(infty; 3,5]$