Question

Решите уравнение: 4х^2=9/121

Answer 1

Решение:
$4 x^{2} = \frac{9}{121} x^{2} = \frac{9}{121} : 4 x^{2} = \frac{9}{484} x_{1} = \frac{3}{22} , x_{2} = - \frac{3}{22}$

Ответ: $- \frac{3}{22}$; $\frac{3}{22}$.