1/3+1/3^2+1/3^3+1/3^4+...+1/3^99+1/3^100

Nhanh, giải thích and sửa = CTLHN

1, Tìm X, biết: (x-5)(x-1)=(x-1)(x-2) 1, Cm Gt biếu thức ko phụ thuộc vào biến: a. D= 5x^2-(2x+1)(x-2)-x(3x+3)+7 b. E= (7x-3)(2x+1)-(5x-2)(x+4)-9x^2+17x

tính (rút gọn) giúp mik với mn ơi

Help me🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳🥳

giúp tôi bài này với, viết hẳn hoi ra nhé đừng viết tắt

:𝘃 𝗚𝗶𝘃𝗲 𝘁𝗵𝗲 𝗰𝗼𝗿𝗿𝗲𝗰𝘁 𝗳𝗼𝗿𝗺 𝗼𝗳 𝘁𝗵𝗲 𝘄𝗼𝗿𝗱 𝗶𝗻 𝗯𝗿𝗮𝗰𝗸𝗲𝘁𝘀. 1. Nam suggested ________ (talk) the children to school yesterday. 2. They decided _________ (play) tennis with us last night 3. Mary helped me ________ (repair) this fan and _______ (clean) the house. 4. We offer ________ (make) a plan. 5. We required them ________ (be) on time. 6. Kim wouldn’t recommend him _______ (go) here alone. 7. Before ________ (go) to bed, my mother turned off the lights. 8. Minh is interested in ________ (listen) to music before ______(go) to bed 9. This robber admitted ______ (steal) the red mobile phone last week. 10. Shyn spends a lot of money ________ (repair) her car (trl đúng & ko chép mạng thì đc chọn "câu trl hay nhất" :v)

Vẽ mầm DIGI Pic kí pic ko full màu full line vẽ có tâm hóng mấy idol ạ Nghiêm cấm vẽ hời hợt

ghi mỗi câu này là thì gì nha. Mình cảm ơn 1. They are likely to show up at any time. (show) 2. The man denied committing the crime. (commit) 3. Their memories of traveling in Africa will stay with them forever. (travel) 4. He has always been afraid of flying. (fly) 5. Swimming is good for your health. (swim) 6. Would you mind passing me the sugar. (pass) 7. She promised to read the report as soon as possible. (read) 8. I had a hard time explaining the situation to my husband. (explain) 9. She had some problems reading without glasses. (read) 10. Paul gave up smoking five years ago. (smoke) 11. What about going to the zoo tomorrow? (go) 12. Barca succeeding in winning the Spanish championship. (succeed) 13. They had fun skiing. (ski) 14. My friend was happy to see me at the party. (see) 15. He was ashamed to admit that he had lied. (admit) 16. It was very kind of you to help me. (help) 17. She always wastes her time reading bad books. (read) 18. We had no problem driving from the airport to the train station. (drive) 19. She hadn’t expected this task to be so difficult. (be) 20. It’s no use taking a taxi. We’ll be late anyway. (take) 21. Don’t forget to sign the document as soon as you are finished. (sign) 22. She made me feel like a real man. (feel) 23. Playing video games all the time is very boring. (play) 24. She is fond of reading comics. (read) 25. Alvaro admitted cheating during the English test. (cheat) 26. The teacher reminded us to learn irregular verbs. (learn) 27. The boy refused to do what his mother said. (do) 28. Brenda really hates studying. (study) 29. I used to play basketball during my college years. (play) 30. How long does it take you to walk to the university? (walk)

Tìm GTLN, GTNN của các hàm số sau: a, y= 3sin ( x + π/4) b, y= 4√ sinx + 3 - 1 Giúp mình giải với ạ!