Math  /  Algebra

QuestionFind the recursive formula for the sequence 2,10,50,250,2, -10, 50, -250, \ldots. Options: A, B, C, D.

Studdy Solution
Now that we have the first term and the common ratio, we can write the recursive formula for the sequence.
{a1=2an=an1(5)\left\{\begin{array}{l}a_{1}=2 \\ a_{n}=a_{n-1} \cdot (-5)\end{array}\right.
So, the answer is option A.

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