На стороне BC{"color":"#202335","fontFamily":"stix","language":"ru"} прямоугольника ABCD,{"color":"#202335","fontFamily":"stix","language":"ru"} у которого AB=2,4{"color":"#202335","fontFamily":"stix","language":"ru"} и AD=3,1,{"color":"#202335","fontFamily":"stix","language":"ru"} отмечена точка E{"color":"#202335","fontFamily":"stix","language":"ru"} так, что треугольник ABE{"color":"#202335","fontFamily":"stix","language":"ru"} является равнобедренным. Найдите ED.{"color":"#202335","fontFamily":"stix","language":"ru"}