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Chapter 11: Q3. (page 580)

Write an arithmetic sequence with common difference -5.

Short Answer

Expert verified

An arithmetic sequence with common difference -5 is20, 15, 10, 5 鈥�..

Step by step solution

01

Step 1. Given Information.

Given the common difference of an arithmetic sequence is -5.

02

Step 2. Calculation.

Let the first term be a1=20

The common difference is d=鈭�5

So,

The second term of the arithmetic sequence is 20鈭�5=15

The third term of the arithmetic sequence is 15鈭�5=10

The fourth term of the arithmetic sequence is 10鈭�5=5

03

Step 3. Conclusion.

Hence, the arithmetic sequence with common difference -5 is 20, 15, 10, 5, 鈥�.

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Most popular questions from this chapter

Find the next four terms of each arithmetic sequence.

9, 16, 23, 鈥�

If an=1鈭�5n, what is a10 ?

Find the first five terms of each arithmetic sequence described.

a1=2,d=13

Evaluate each expression for the given values of the variable.

3n鈭�1;鈥�n=1,2,3,4

Find the first five terms of each arithmetic sequence described.

a1=6,d=鈭�4
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