user-avatar
Loga20181999
2 năm trước
Cho hai đa thức : A(x) = 6 – 4x5 + 2x4 + 4x5 + 2x2 – 5x3 – 9x – x 4 B(x) = 2x2 + 6x3 – 4x2 – 4x4 – 6 + 3x4 a) Thu gọn và sắp xếp các đa thức theo lũy thừa giảm của biến rồi tìm bậc của mỗi đa thức. b) Tính theo cột dọc : M(x) = A(x) + B(x) ; N(x) = A(x) – B(x). c) Tìm nghiệm của M(x)
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. Could you tell me your surname? * A. Would you like me to spell it? B. Do you like my family name? C. How do I say that? 2. This plant looks dead. * A. It's in the garden. B. It only needs some water. C. It's sleeping. 3. I hope it doesn't rain. * A. Of course not. B. Will it be wet? C. So do I. 4. Are you going to come inside soon? * A. For ever. B. Not long. C. In a minute. 5. Who gave you this book, Lucy? * A. I bought it. B. For my birthday. C. My uncle was. 6. Shall we go out for pizza tonight? * A. I know that. B. It's very good. C. I'm too tired. 7. Do you mind if I come too? * A. That's fine! B. I'd like to. C. I don't know if I can. 8. There's someone at the door. * A. Can I help you? B. Well, go and answer it then. C. He's busy at the moment. 9. How much butter do I need for this cake? * A. I'd like one. B. I'll use some. C. I'm not sure. 10. How long are you here for? * A. Since last week. B. Ten days ago. C. Till tomorrow.

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