Question

Решите уравнение
y
2

+
4
1
​
y
=
0
.

Answer 1

y² + 1/4y = 0 / *4

4y² + y = 0

y(4y + 1) = 0

y = 0;

4y + 1 = 0; 4y = -1; y = -1/4

0 и -1/4