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Write a simplified expression for the right of the equation that can be used to find the nth term in the sequence 1,6,11,16,21

User Lulceltech
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The given sequence is 1, 6, 11, 16, 21.

As you can observe, the difference in the sequence is 5 (d = 5).

The first term is 1. So, we have to use an arithmetic sequence formula


a_n=a_1+(n-1)d

In this case, the equation would be


a_n=1+(n-1)\cdot5

The simplified equation would be


a_n=5n-4

User Thanhnd
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