Question

решите уравнение
16у^4-81=0
10 баллов

Answer 1

16y^4 - 81 = 0 
16y^4 = 81
y^4 = 81/16
y1 = - (81/16)^(1/4) = - 3/2 = - 1,5
y2 = (81/16)^(1/4) = 3/2 = 1,5 

Ответ
- 1,5; 1,5