user-avatar
haingan010604
2 năm trước
tìm m để pt x ² - 2(m+4)x+m ² - 8 có 2 no pb x1;x2 thỏa mãn x1 ² + x2 ² - x1x2=121 và lx1 - x2l=5
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

There has been a big change in the roles of men and women at home which in turn (1) _____ their feelings about their roles. However, it is important to highlight how this distribution of tasks and responsibilities can affect the relationships (2) _________ may end up in discords, or even divorces. In order to make a distinction between the past and the present times (3) ______ are provided: in the past, 75% of women with a part-time job cooked the evening meal regularly while 95% (4) _____ care of all the washing and ironing. Husbands were involved in cleaning in only 17% and used their time at home on (5)_______ repairs. The care of children was mainly a task carried out by women. The little time that men spent with children usually (6) ________ the more enjoyable aspects of child care such as play and outings. However, this has (7) _____ because now women are the ones who spend less time at home (8) ______ to their jobs or their different activities. And nowadays, most husbands stay at home taking care of children and (9) ______ the cooking. As a consequence of the change in roles, women have become more liberal and think they can manage (10) _______ their own. Men, on the other hand, feel that their position and power in the family has been replaced by women. 1. A. Develops B. creates C. affects D. causes 2. A. Which B. who C. where D. when 3. A. Achievements B. percentages C. experiences D. advantages 4. A. Thought B. played C. shared D. took 5. A. Commercial B. industrial C. household D. academic 6. A. Challenged B. attracted C. employed D. involved 7. A. Changed B. increased C. guided D. witnessed 8. A. Because B. despite C. due D. but 9. A. Making B. doing C. getting D. working 10. A. At B. of C. on D. in

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team