Question

I-0.56I/IyI=I-0.8I найдите 2 корня уравнения

Answer 1

$frac{|-0,56|}{|y|}=|-0,8| \ \ |y|= left { {{-y; y textless 0} atop {y; y textgreater 0}} right. \ \ -y= frac{|-0,56|}{|-0,8|} \ \ -y=7 \ \ y_1=-7 \ \ \ y= frac{|-0,56|}{|-0,8|} \ \ y_2=7$