Question

решите уравнение 2y5+8y3=0  

Answer 1

$2y ^{5} +8y ^{3} =0 \ 2y ^{3} (y^{2} +4)=0 \ 2y ^{2} =0 \ y=0 \ y ^{2} +4=0 \ y^{2} =-4 \ \ \ y=0$

Ответ: $y=0$