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Chapter 11: Q10. (page 581)

Find the indicated term of each arithmetic sequence.

a1=鈭�5,d=7,n=13

Short Answer

Expert verified

The indicated term of the arithmetic sequence is79.

Step by step solution

01

Step 1. Given Information.

Given indicated term of arithmetic sequence isa1=鈭�5,d=7,n=13

02

Step 2. Calculation.

The nth term of an arithmetic sequence is given by an=a1+(n鈭�1)d.

Here the first term is a1=鈭�5

The common difference is d=7

And the required term is n=13

Plugging the values in the formula:

an=a1+(n鈭�1)da13=鈭�5+(13鈭�1)(7)a13=鈭�5+(12)(7)a13=鈭�5+84a13=79

03

Step 3. Conclusion.

Hence, the indicated term of the arithmetic sequence is 79.

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