Question

Решить неравенство.
1/4 - x^2 > 0

Answer 1

$frac{1}{4} - x^{2} textgreater 0 \ \ - x^{2} textgreater - frac{1}{4} /*(-1) \ \ x^{2} textless frac{1}{4} \ \ x textless frac{1}{2} \ x textgreater - frac{1}{2} \ \ xin ( -frac{1}{2} ; frac{1}{2} )$