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Chapter 12: Q 12.29. (page 1178)

Find the twenty-seventh term of a sequence where the first term is 7 and the common difference is 9.

Short Answer

Expert verified

241

Step by step solution

01

Step 1. Consider the given information.

The first term is 7 and the common difference is 9.

02

Step 2. Formula used.

Write the formula of an arithmetic sequence.

an=a1+n鈭�1d

Where a1 is the first term and dis a common difference.

03

Step 3. Find the twenty-seventh term.

Substitute 7 for the first term, 9 for d, and 27 for nabove formula.

a27=7+27鈭�19=7+234=241

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