cho phương trình x^2 - 2(m-1)x + 4m -2 = 0 a, gpt với m = 1 b, tìm m để pt có 2 nghiệm trái dấu c, tìm m để pt có 2 nghiệm x1,x2 sao cho A= x1^2+x2^2 + 6x1x2 đạt min

Nguyên nhân và tác hại của việc sử dụng bao bì ni lông ? liên hệ

Tìm nghiệm nguyên của phương trình $4x^{2}$ -$7y^{2}$ =2022 giúp mk vớiiiiiiiiiii,rất rất gấppppppp

cho (P) y: x^2 (d) : y = (m-1)x+2 a, tìm m để (d) tiếp xúc (p) B, với m = -1 tìm tọa độ giao điểm (d),(P) ( câu tl hay nhất )

- Giống nhau: Đều là sinh vật kí sinh, tấn công cùng một loại tế bào là hồng cầu - Khác nhau: + Trùng kiết lị: có kích thước lớn hơn hồng cầu nên sau khi trùng kiết lị đến ruột sẽ chui ra khỏi bào xác, ký sinh trong thành ruột rồi nuốt hồng cầu để tiêu hóa. + Trùng sốt rét: có kích thước nhỏ hơn hồng cầu nên sau khi được truyền vào máu người, sẽ chui vào tế bào hồng cầu để kí sinh và sinh sản. Sau khi tạo được nhiều trùng sốt rét trong tế bào hồng cầu, chúng sẽ phá vỡ tế bào và chui ra ngoài, tấn công tế bào hồng cầu khác. RÚT GỌN SAO CHO NGẮN HƠN NHƯNG VẪN DỦ Ý

A = 1^2+2^2+3^2+....+100^2 không là số chính phương GIÚP MIK VS AH

Giải ghi rõ ra cho mk nhá Đầy đủ ấy ạ

Choose the best answer a,b,c or d to complete the sentence. 1. I almost missed my flight ....... there was a long queue in the duty free shop. a. although b. since c.despite d. because of 2. I want to be well goomed .............. other people think nice things about me. a. in order to b. so as not to c. so that d. as soon as 3. .......... she is young, she is very independent. a. although b. because c. in order that d. in spite of 4. ......... I met the Gills, I had been gardening for nearly ten years. a. as soon as b. although c. after d. before 5. ........... he had finished his studies, he went to American. a. while b. before c. after d. until 6. You'll never guess what happened ........... I left my room. a. as long as b. as soon as c.after d. as far as 7. ........... They're expensive, they las forever and never go out of style. a.when b. as soon as c. even though d. because 8. She went back to live with her mother .......... she did not earn enough money to live in her own house. a. although b. so that c. in order to d. because 9. They were driving to Dallas ........ they caught an accident. a. when b. while c. before d. as soon as 10. ............. she was asleep, thieves broke in and stole her handbag. a. in order that b. although d. because of d.while

1 . Parents should control what their kids watch .... television A . from | B . in | C . on | D . at 2 . We must be quick . There 's ....... time left A . little | B . few | C . much | D . more 3 . We hope that one day robots ..... be able to do most of the things that a human cannot do A . will | B . can | C . need | D . must 4 . The antique table is very beautiful , but it doesn't fit in with the rest of the furniture which is ...... A . old | B . modern | C . expensive | D . recent 5 . We ..... do all we can to help the less fortunate children A . should | B . can | C . may | D . ought 6 . We ...... turn off our lights and other electri equipment during the Earth Hour A . can | B . should | C . need | D . ought 7 . What time ..... on television ? A . is news | B . are news | C . are the news | D .. is the news 8 . Robots make man's work .... A . most easy | B . easier | C . more easy | D . easily 9 . The neighbourhood , is very noise , ..... we enjoy living there . A . so | B . and | C. because | D . but 10 . To many sportspeople , taking part in the game is more important than ........ A . win | B . to win | C . winning | D . won

Viết 1 bài văn tả con chó,mèo,gà hoặc cá. Cảm ơn