Terms of a Sequences | math4u.vsb.cz

Submitted by vladimir.arzt on Thu, 02/29/2024 - 15:20

Project ID:

7100000002

Accepted:

SubArea:

Introduction to sequences

Type:

Layout:

Question:

Match the given sequences with their corresponding sought terms.

Question 1:

(a_{n})_{n = 1}^{\infty} : a_{n} = 5 - 3 n; a_{5} = ?

Answer 1:

- 10

Question 2:

(a_{n})_{n = 1}^{\infty} : a_{n} = \frac{3 n - 2}{2 n + 1}; a_{3} = ?

Answer 2:

1

Question 3:

(a_{n})_{n = 1}^{\infty} : a_{n} = \frac{2^{n}}{n}; a_{4} = ?

Answer 3:

4

Question 4:

(a_{n})_{n = 1}^{\infty} : a_{n} = 1^{n} + (- 1)^{n}; a_{123} = ?

Answer 4:

0

Question 5:

(a_{n})_{n = 1}^{\infty} : a_{n} = \cos (n \cdot \frac{π}{2}); a_{6} = ?

Answer 5:

$- 1$

Question 6:

(a_{n})_{n = 1}^{\infty} : a_{1} = - 1; a_{n + 1} = a_{n} + 2; a_{3} = ?

Answer 6:

3

Question 7:

(a_{n})_{n = 1}^{\infty} : a_{1} = - 16; a_{n + 1} = \frac{a_{n}}{2}; a_{3} = ?

Answer 7:

- 4

Question 8:

(a_{n})_{n = 1}^{\infty} : a_{1} = 9; a_{n + 1} = \frac{2 a_{n}}{n + 1}; a_{3} = ?

Answer 8:

6

Question 9:

(a_{n})_{n = 1}^{\infty} : a_{n} = \frac{n^{3}}{81}; a_{9} = ?

Answer 9:

9