
Concept explainers
Find next term of the sequence 8, 6, 92, 278,.....

Answer to Problem 64HP
Option D is correct.
Explanation of Solution
Given:
The sequence:8, 6, 92, 278,.....
Concept Used:
In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.
For example, the sequence 2, 6, 18, 54, ... is a geometric progression with common ratio 3.
The ration of 2nd term and first term is called the common ratio.
Calculation:
The sequence:8, 6, 92, 278,.....
Each term in a geometric sequence can be expressed in terms of the first term a1 and the common ratio r . Since each succeeding term is formulated from one or more previous terms, this is a recursive formula. First term a1=8 and the common difference:r = 2nd term1st term= 68 =34
Terms | Symbol | In terms of a1and r | Numbers |
Fifth term | a5 | a1 · r4 | 8 · (34)4=8 · (81256)=8132 |
The next term of the sequence 8, 6, 92, 278,..... is 8132
Thus, the next term is: 8132 ; Option D is correct.
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