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• 109中興電機(15 pts) The eigenvalues of A and AT are the same, because det(A- λ l) -det(A-  λ l)T=det(AT-
• 106中興電機 (10pts) Suppose A is a real and symmetric matrix with order n, and has a repeated eigenvalue
• 105中興電機 (10pts) Suppose A and B are two matrices with size m✕n and n✕mresbectively. Show that the no
• 1. (3%) Let Φ denote an empty set. Which of the following statements is true?(A) (B) (C) (D)|Φ|=1
• 42. 使用熱重分析法分析某僅含有MgO、MgCO3及CaCO3混合物 ( 其他成分只有水 ) 的濕沉澱物樣品，在進行實驗時，溫度由 20 ℃ 升至 950 ℃ 的升溫過程中，該樣品分別在 25℃~
• 43. 精稱 0.106 公克的無水碳酸鈉，將其置於錐形瓶中並加入 50.00 毫升純水完全溶解後，再加入 2 滴甲基橙指示劑搖勻，以尚未標定濃度的鹽酸水溶液 ( 甲水溶液 ) 滴定，當滴入鹽酸水溶液
• 44. 精稱 0.214公克的碘酸鉀 (KIO3)置於一錐形瓶中，加入 3.21公克的碘化鉀 ( KI)，並加入100.0毫升純水將此兩固體完全溶解，再加入2毫升濃鹽酸後，將此水溶液置於250毫升量瓶
• 2. After nine unsuccessful _____, he finally made it on his tenth try.(A) brims (B) fringes (C) atte
• 3. The man was _____ of killing two people in a store and later charged with murder.(A) ignored (B)
• 4. Due to unexpected circumstances, the company had to _____ the event until next year.(A) postpone
• 5. The new password will give you _____ to all files in that folder.(A) case (B) racket (C) access (
• 6. The patient is in a _____ stage. What happens in the next eight hours is very important as it wil
• 7. You should wash your hands thoroughly or at least clean your hands with _____ wipes before you to
• 8. As home _____ rates rise, monthly payments for home owners also increase by 70-90 dollars on aver
• 9. Unlike the other reports that focus on one or two aspects only, this report is the most _____ one
• 10. As his health _____, he couldn’t even walk around in the house.(A) inflated (B) deteriorated (C)
• 11. The boy tried to _____ out of the house but was caught by his mother.(A) roar (B) invent (C) men
• 12. If your current balance is $50, you should be able to see a balance of $70 in your account after
• 13. Mr. Pawson was hoping that after the _____, he would be able to make more money to support his f
• 14. If you like our videos, please _____ to our channel on YouTube.(A) mutate (B) delegate (C) subsc
• 15. After taking four very difficult final exams in one week, Jane felt so _____ that the semester w
• 16. The software _____ on your computer may put your computer at risk.(A) running (B) that running (
• 17. It’s no secret that ABC is _____ smartphone makers.(A) the fastest-growing of the world’s one (B
• 18. _____ performance, there’s a clear difference between these two products.(A) When coming into (B
• 19. The woman is a vegetarian. You can give her _____ meat for lunch.(A) anything but (B) nothing bu