x-3/x+1=x^2/x^2-1 X/2(x-3)+x/2(x+1)=2x/(x-3)(x+1)

làm sao để tính đạo hàm cấp 2 của bài này nhanh nhất ạ

Rewrite the sentence using the given word in bold letters, keep the meaning unchanged. DO NOT CHANGE THE GIVEN WORD, USE FROM 2 TO 5 WORDS INCLUDING THE WORD GIVEN IN BRACKETS. 1. That bicycle was too expensive for me to buy. (enough)  I ___________________________________________________ to buy that bicycle. 2. I'd prefer it if you didn't close the door. (mind)  _____________________________________________________ closing the door? 3. Many people in the world speak English. (spoken)  English _______________________________________ many people in the world. 4. "Do many tourists visit Phong Nha Cave every year, Hoa?" asked Tim. (if)  Tim asked Hoa _______________________________ Phong Nha Cave every year.

Hãy kể một số hiện tượng địa lí đang diễn ra hằng ngày nơi em sống.

Rewrite the sentence using the given word in bold letters, keep the meaning unchanged. DO NOT CHANGE THE GIVEN WORD, USE FROM 2 TO 5 WORDS INCLUDING THE WORD GIVEN IN BRACKETS. 1. That bicycle was too expensive for me to buy. (enough)  I ___________________________________________________ to buy that bicycle. 2. I'd prefer it if you didn't close the door. (mind)  _____________________________________________________ closing the door? 3. Many people in the world speak English. (spoken)  English _______________________________________ many people in the world. 4. "Do many tourists visit Phong Nha Cave every year, Hoa?" asked Tim. (if)  Tim asked Hoa _______________________________ Phong Nha Cave every year.

So sánh cảm xúc của nhân vật "Tôi" trong văn bản "Tôi đi học" khi cảm nhận về con đường và ngôi trường ở 2 thời điểm quá khứ và hiện tại GIÚP MK VS MK CẦN GẤP

giúp e với e đang gấp lắm hứa vote 5* e cám ơn nha!!!

Complete each sentence below, using the correct form of the words in brackets. 1.There are many cultural ___________ between his country and mine. differ 2. Santa Claus is based on the ___________ of Saint Nicholas in a poem. describe 3. Phuong Linh arranged flowers the most ___________ in the contest. attract 4. Every week,there are two ___________ from Ha Noi to Nha Trang. fly 5 Mrs Nga is a ___________.She sells flowers at a shop in Da Lat. flower 6. This knife is ___________ it can’t cut anything. use 7. My uncle often spends his free time doing volunteer work at a local ___________. orphan 8. People use first-aid in order to ease the victim's pain and ___________. anxious 9. In the rice-cooking festival, ___________have to make fire in a traditional way. participate 10. In my opinion, this film is ___________ for children. It's too violent. suitable

Calli "Bà hàng xóm". NL: Vẫn còn tứk bà hàng xóm

Complete each sentence below, using the correct form of the words in brackets. 1.There are many cultural ___________ between his country and mine. differ 2. Santa Claus is based on the ___________ of Saint Nicholas in a poem. describe 3. Phuong Linh arranged flowers the most ___________ in the contest. attract 4. Every week,there are two ___________ from Ha Noi to Nha Trang. fly 5 Mrs Nga is a ___________.She sells flowers at a shop in Da Lat. flower 6. This knife is ___________ it can’t cut anything. use 7. My uncle often spends his free time doing volunteer work at a local ___________. orphan 8. People use first-aid in order to ease the victim's pain and ___________. anxious 9. In the rice-cooking festival, ___________have to make fire in a traditional way. participate 10. In my opinion, this film is ___________ for children. It's too violent. suitable