Đáp án+Giải thích các bước giải:
`d)x\sqrt{y}-\sqrt{x}-y\sqrt{x}+\sqrt{y}(x,y>0)`
`=\sqrt{x}(\sqrt{xy}-1)-\sqrt{y}(\sqrt{xy}-1)`
`=(\sqrt{xy}-1)(\sqrt{x}-\sqrt{y})`
(Hình như đề là phân tích đa thức thành nhân tử)
giúp em câu nào trả lời giùm em câu đó ạ , tại em đang gấp Write the stress pattern for each following sentence. 1. Shut the door! 2. Get out! 3. Talk to me! 4. Stand up! 5. Don't enter! 6. Have fun! 7. Don't text me! 8. Be careful!
Giải thích cụ thể giúp mình nhaaa
Question IV. The passage below contains 7 mistakes. Recognize the mistakes and write their correct forms in your answer sheet. (7 pts) Almost children with healthy appetites are ready to eat anything that is to them and a child rarely dislikes food unless it is badly cooked. The way a meal is cooked and served is the most important and an served meal will often improve a child’s appetite. Never ask a child whether he likes or dislikes a food or never discuss likes or dislikes in front of him or never allow else to do so. If the father says he hates fat meat or the mother refuses vegetables within the child’s hearing, he is likely to copy this procedure. Take it for granted that he likes everything and he will. Nothing healthful should be omitted from the meal because of the dislike. At meal times, it is a good idea to a child a small portion and let him come back for a second helping ….
giúp em với ai nhanh nhất em cho hay nhất (chỉ cần đáp án và số câu thôi) cảm ơn mọi ng trước
( 2x-3 ) ( 5+x ) - ( x-2 ) ( 2x+1 )=3 Đề bài: Tìm x
5. Choose the right forms in these sentences. In some cases both forms are right. 1. Is your house much further/ farther? 2. Who is the oldest/ eldest in this class? 3. Your driving is worse/ worst than mine. 4. Have you heard the last/ latest news? 5. We have no further/ farther information. 6. His last/ latest words were: ‘The end’. 7. Trevor spends less/lesser on clothes than Laura does. 8. His English is gooder/ better than mine. 9. It’s the better/ best in the shop. 10. Jane is older/ elder than I am. 11. My elder/ older sister got married last year. 12. Emma made the least/ less mistake! 13. The Hotel Bristol has more/ most rooms. 14. I haven’t got many books. You’ve got more many/ more than I have. 15. Even if the worse/ worst happens, you shouldn’t give up hope.
help me!!!,pleaseeeeeeeeeeeeeeeeeeeeeeeee
viết các tập hợp sau bằng cách chỉ ra tính đặc trưng cho các phần tử a={ 2,4,6,8,10,12} b={1,3,5,7,9,11,13,15} c={0,3,8,15,24,35,63} d={1/2,1/6,1/12,1/20,1/30}
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