题目

Amanda Moore noticed that the new student at school always sat alone at lunch. She felt bad about that. The 10-year-old girl decided to befriend Rafael Anaya, but she also noticed something else — he struggled to understand English. Instead of letting that stop her, she used Google Translate to handwrite a note in Spanish asking him to join her for lunch. Her act earned her the “Student of the Month” award for October at her school. Rafael had moved to Temecula, California from Mexico at the beginning of the school year. He often cried after returning home from school because he 己知F1，F2是椭圆的两个焦点．（1）求椭圆离心率e；（2）若点P在椭圆上，且∠F1PF2=90°，求P点坐标．