Nhị thức niu tơnn

Quiz
•
Mathematics
•
10th Grade
•
Hard
Cuti Trái chuối
Used 1+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 9.Trong khai triển (x + 2y)5 số hạng chứa x2y^3 là
80x2y^3
40x2y^3
80
10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong khai triển nhị thức (a + 2)2n + 1 (n ℕ). Có tất cả 6 số hạng. Vậy n bằng
17
11
10
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số hạng tử trong khai triển (x – 2y)4 bằng
8
6
5
7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 9.Trong khai triển (x – 2y)^4 số hạng chứa x2y2 là:
24
-24
35
-35
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tổng số mũ của a và b trong mỗi hạng tử khi khai triển biểu thức (2a + b)4 bằng
4
5
3
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong khai triển (x+y)mũ5, hệ số của x³y² là:
5
10
20
30
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính tổng các hệ số trong khai triển (2x-3)⁴ :
49
1
81
0
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