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Trắc nghiệm 11

Trắc nghiệm 11

Assessment

Presentation

•

Mathematics

•

1st Grade

•

Easy

Created by

Nguyễn Ngọc Huy

Used 2+ times

FREE Resource

5 Slides • 2 Questions

1

Trắc nghiệm 11

Giáo viên: Nguyễn Ngọc Huy

Slide image

2

Định Nghĩa

  • Cho hai dãy số sau:

  • Củng cố

3


Cho hai dãy số sau:


4

Cho hai dãy số sau:

  • 1. Dãy hữu hạn: 1, – 2, 4, – 8, 16, – 32, 64.

  • 2. Dãy vô hạn: 3, 9, 27, …,  3n3^n  ,....

  • Tìm quy luật của hai dãy số trên ?

5

Multiple Choice

Dãy số nào sau đây là một cấp số nhân?

1

1;2;4;6;8

2

1;2;4;8

3

1;2;3;4;5

4

1;4;7;10

6

Multiple Choice

Số hạng tổng quát của một cấp số nhân công bội q là:

1

un= u1.qnu_n=\ u_1.q^n

2

un=u1qn −1u_n=u_1q^n\ ^{-1}

3

un=u1+(n−1)qu_n=u_1+\left(n-1\right)q

4

un= nu1qu_n=\ nu_1q

7

Trắc nghiệm 11

Giáo viên: Nguyễn Ngọc Huy

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