cho em hỏi là mình có 4x mũ 2 - 4x = -1 vậy thì tính x bằng cách nào à?

tính nguyên hàm sau : A = x^3 × e^(x^2) dx

Tìm x,y,z biết x²+y²+z²=4x-2y+6z-14

Có 4 con đường đi từ Tân Ăn đến Mỹ Tho và 3 con đường đi Mỹ Tho đến Trà Vinh. Hỏi có bao nhiêu cách đi từ Tân An đến Trà Vinh qua Mỹ Tho

3. actor was a lovely girl/ Have you watched/ The major/ the movie Tangle?/ with very long blonde hair./ Question 4: After her illness, her doctor suggested that she ________ take a trip to the sea. (6). Question 5: After investigating, they _________ out the man was a thief. (5). Question 55: After talk/ convincing her that/ for twenty minutes/ I succeeded in/ there was no danger./ Question 56: After we ____ our meal, he ordered us to back to work. A. will finish B. finished C. would finished D. had finished Question 57: Air pollution/ ill – health / in human beings./ in a cause/ of/ ------------------------------------------------------------------------------------------------------------------------- Question 58: All of us were ____ that he came first. He hasn’t been working hard so far. A. surprising B. to surprise C. surprised D. to be surprised Question 59: all shapes and/ Bamboo is used in/ forms to make up/ houses and many other/ inferior things./ Question 59: all shapes and/ Bamboo is used in/ forms to make up/ houses and many other/ inferior things./ ------------------------------------------------------------------------------------------------------------------------- Question 62: Although VietNam/ at the national level,/ has made progress/ is benefiting./ not everyone/. ------------------------------------------------------------------------------------------------------------------------- Question 66: among/ farmers./ further bankruptcies/ small/ There could be/ ------------------------------------------------------------------------------------------------------------------------- Question 67: am ambulance/ just sent/ the school./ They have/ to/ ------------------------------------------------------------------------------------------------------------------------- Question 68: an equity-based approach is essential to ensure that/ are fully included/ in future development progress./ the most disavantaged children and families/ UNICEF believes that/. ------------------------------------------------------------------------------------------------------------------------- Question 69: an unsustainable city./ is a small city,/ it still faces/ some of the symptoms of/ White Dublin/ ------------------------------------------------------------------------------------------------------------------------- Question 70: and communication tools/ is also part of this evolution./ of internet portals/ The development/ which should be real information and Geoge/ Bob/ decide/ room./ to leave/ ------------------------------------------------------------------------------------------------------------------------- Question 73: and served dinner./ at 7.00 pm/ cooking/ finally finished/ I/ ------------------------------------------------------------------------------------------------------------------------- Question 74: and/ its pretty roses/ My village is/ picturesque scenes./ very famous for/ ------------------------------------------------------------------------------------------------------------------------- Question 76: anniversary./ arranged a dinner/ their 5th wedding/ They have/ to celebrate/ -------------------------------------------------------------------------------------------------------------------------

Đề Bài văn số 3 ( nghị luận xã hội)

cho đoạn mạch gồm 2 điện trở r1, r2 măc song song điện trở tương đương có công thức gì

cho 300 ml dd gồm NaOH 0,1M VÀ KOH 0,2M vào 200 ml dd H3PO4 0,2M, cô cạn dd sau phản ứng thu được m gam chất rắn khan. Tính m . theo tỉ lệ T=nOH/nH3PO4

Giải giúp bài 3 đèn tín hiệu giao thông kèm vẽ hình lun nha

Tính giá trị của: A=a³+b³, biết a+b=3 và a²+b²=11