Question

Решите Уравнения 1/27m⁴+26/27m²-1=0

Answer 1

$frac{1}{27}m^4+ frac{26}{27}m^2-1=0; ; |*27\\m^4+26m^2-27=0\a=m^2\a^2+a-27=0\ left { {{a_1*a_2=-27} atop {a_1+a_2=-26}} right. = textgreater left { {{a_1=1} atop {a_2=-27}} right. \\m^2=1\m_{1,2}=б1\\m^2 neq -27; ; ; (m^2 geq 0)$

Ответ: -1; 1