user-avatar
hoangtrunghung1804
2 năm trước
Chứng minh rằng: $\sqrt{4+\sqrt{4^2+\sqrt{4^3+\sqrt{4^4+\sqrt{4^5+...}}}}}=3$ (vô tận căn) Ý tưởng đầu tiên là: $3=\sqrt{4+5}=\sqrt{4+\sqrt{16+9}}=\sqrt{4+\sqrt{16+\sqrt{64+17}}}=...$ Nhưng không thể chứng minh quy luật tách trên là chính xác (dù trực quan thì thấy nó đúng) :(
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Question 1:Complete the sentences with a suitable preposition 1.They often play tags................recess 2.We could go............holiday because we could afford it. 3.My parents are..............work now. 4.The place is often crowded......................eleven o'clock. 5.My grandfather was able to walk............any help last night. Question 2:Each of the following sentences has one mistake.Identify and correct the mistakes. 1.He is the tallest of the two boys ...................................................... 2.What is the matter with he? .................................................... 3.How height is the Petronas Twin Tower? ......................................................................... 4.In the free time,Hoa often listens to music,goes fishing and play video games. ..................................................................................................................................... 5.She reads all the works of Dickens last summer ................................................................................... Question 3:Finish the second sentence that is means the same as the sentence printed before 1.The weather is too cold for us to go out. ->The weather isn't................................... 2.The film isn't interesting for us to see ->The film is too........................................ 3.They think that learning English is not easy ->They think that it is................................... 4.She likes drink milk ->Milk is.......................... 5.What is the height of the Mount Everest? ->How.........................................................

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team