user-avatar
trantrangk18b
2 năm trước
Bài 9: Cho phương trình (ẩn x): x3 + ax2 – 4x – 4 = 0 a) Xác định m để phương trình có một nghiệm x = 1. b) Với giá trị m vừa tìm được, tìm các nghiệm còn lại của phương trình.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

These days, it is impossible to open a newspaper without reading about the damage we are doing to the environment. The Earth is being threatened and the future looks bad. (1)______ can each of us do? We cannot clean (2)______ our polluted rivers and seas overnight. Nor can we stop the (3)______ of plants and animals. But we can stop adding the problem while scientists look for the answers. It may not be easy to change your lifestyle completely. But some steps are easy to take: cut down the amount of driving you do, or use as little plastic as possible. It is also easy to save (4)______, which also reduces household bills. We must all (5)______ personal decision to work for the future of our planet if we want to ensure a better world for our grandchildren. 1. A. When B. Where C. What D. Why 2. A. to B. in C. on D. up 3. A. appear B. disappear C. appearance D. disappearance 4. A. water B. energy C. money D. health 5. A. make B. do C. take D. have

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