user-avatar
caothitinh2001
2 năm trước
A=1/(2(1+cẵn)+1/(2(1-căn x)-(x^2+2)/(1-x^2) a; rút gọn biểu thức A b,tìm x để A đạt giá trị nhỏ nhất.tìm giá trị đó
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. This is a nice cat. It's much ................................... than my friend's cat. 2. Here is Emily. She's six years old. Her brother is nine, so he is…………………………………… 3. This is a difficult exercise. But that exercise is the ................................... exercise on the worksheet. 4. He has an interesting hobby, but my sister has the .................................... hobby in the world. 5. On my last holiday, I read a good book, but father gave me an even ................................... one last weekend. 6. School is boring, but homework is ................................... than school. 7. Skateboarding is a dangerous hobby. Bungee jumping is ...................................... than skateboarding. 8. This magazine is cheap, but that one is …………………………………… 9. We live in a small house, but my grandparents' house is even ................................... than ours. 10. Yesterday John told me a funny joke. This joke was the ....................................joke I've ever heard. 11. My father is heavy. My uncle is much .................................... than my father. 12. The test in geography was easy, but the test in biology was …………………………………… 13. Florida is sunny. Do you know the .................................... place in the USA? 14. Stan is a successful sportsman, but his sister is ................................... than Stan. 15. My mother has a soft voice, but my teacher's voice is .................................... than my mother's.

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