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Using a n = a 1 +d(n-1) select equation that represents the arithmetic sequence below:
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Using a n = a 1 +d(n-1) select equation that represents the arithmetic sequence below:

Using a n = a 1 +d(n-1) select equation that represents the arithmetic sequence below-example-1
User Glebka
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\begin{gathered} \text{Sequence is, }\Rightarrow3,6,9,12 \\ a_1=3,d=6-3=3 \\ So\text{, } \\ a_n=3+3(n-1) \\ Thus,\text{option b is correct.} \end{gathered}

User Karric
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