Concept explainers
a.
State the common difference.
a.
![Check Mark](/static/check-mark.png)
Answer to Problem 5PS
Explanation of Solution
Calculation:
Consider the arithmetic sequence with first term
The general term
Add a constant
So, the resulting sequence will be
Then the general term of the sequencing will be
Note that ,
Difference between each two consecutive term is same,
Hence, the resulting sequence is also an arithmetic sequence and the coomon difference of arithmetic sequence is
b.
State the common difference.
b.
![Check Mark](/static/check-mark.png)
Answer to Problem 5PS
Explanation of Solution
Calculation:
Consider the arithmetic sequence with first term
The general term
Multiply each term of the sequence by
So, the resulting sequence will be
Then the general term of the sequencing will be
Note that ,
Difference between each two consecutive term is same,
Hence, the resulting sequence is also an arithmetic sequence and the coomon difference of arithmetic sequence is
c.
Find if each operation results in an arithmetic sequence.
c.
![Check Mark](/static/check-mark.png)
Answer to Problem 5PS
The sequence is not an arithmetic sequence.
Explanation of Solution
Calculation:
Consider the arithmetic sequence with first term
The general term
Square each term of the sequence.
So, the resulting sequence will be
Then the general term of the sequencing will be
Note that ,
So, the difference depends upon the value
Difference between each two consecutive terms is not same.
Hence, the resulting sequence is not arithmetic sequence.
Chapter 9 Solutions
EBK PRECALCULUS W/LIMITS
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