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What is the simple formula for the nth term of the following arithmetic sequence? 14, 18,22, 26,30 ...

What is the simple formula for the nth term of the following arithmetic sequence? 14, 18,22, 26,30 ...
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2 votes
what is the simple formula for the nth term of the following arithmetic sequence? 14, 18,22, 26,30 ...

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User Soni Harriz
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8.7k points

1 Answer

2 votes

a_n=a_1+(n-1)d\\\\a_1=14;\ a_2=18\\\\d=a_2-a_1\to d=18-14=4\\\\subtitute\\\\\boxed{a_n=14+(n-1)\cdot4=14+4n-4=\boxed{4n+10}}
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User MyICQ
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