Câu hỏi trắc nghiệm (10 câu):
-
- A. lim2n2−3−2n3−4lim2n2−3−2n3−4
- B. lim2n2−3−2n2−1lim2n2−3−2n2−1
- C. lim2n2−3−2n3+2n2lim2n2−3−2n3+2n2
- D. lim2n3−3−2n2−1lim2n3−3−2n2−1
-
- A. lim2n2+3n3+4lim2n2+3n3+4
- B. lim2n−3n32n2−1lim2n−3n32n2−1
- C. lim2n2−3n4−2n3+2n2lim2n2−3n4−2n3+2n2
- D. lim3−2n32n2−1lim3−2n32n2−1
-
- A. un=n2−2n5n+5n2un=n2−2n5n+5n2
- B. un=1+2n5n+5un=1+2n5n+5
- C. un=1+n25n+5un=1+n25n+5
- D. un=n2−25n+5n3un=n2−25n+5n3
-
- A. un=9n2+7nn+n2un=9n2+7nn+n2
- B. un=2007+2008nn+1un=2007+2008nn+1
- C. un=2008n−2007n2un=2008n−2007n2
- D. un=n2+1un=n2+1
-
Câu 5:
Trong các giới hạn sau, giới hạn nào bằng 0?
- A. lim2n2−3−2n3−4lim2n2−3−2n3−4
- B. lim2n−3n3−2n2−1lim2n−3n3−2n2−1
- C. lim2n2−3n4−2n3+2n2lim2n2−3n4−2n3+2n2
- D. lim3+2n32n2−1lim3+2n32n2−1
-
- A. -2
- B. -1
- C. 0
- D. 3
-
- A. 0
- B. 4949
- C. 3535
- D. +∞+∞
-
- A. −∞−∞
- B. -4
- C. 3
- D. +∞+∞
-
- A. +∞+∞
- B. 4
- C. 2
- D. -1
-
- A. +∞+∞
- B. 2
- C. 4
- D. 6
