Question

Решить Неравенство

0,8x-2
---------<0
x^2 +1

Answer 1

$frac{0.8x-2}{x^2+1} textless 0 \ \ 0.8x-2 textless 0*(x^2+1) \ 0.8x-2 textless 0 \ 0.8x textless 2 \ x textless 2.5$