Given the sequence, identify the and the common ratio:
?, 28, ?, 252…
To determine and the common ratio (r) for the sequence using the formula , follow these steps:
1.Find the Common Ratio r:
Use the given terms 28 (second term) and 252 (fourth term). The formula for the (n)-th term in a geometric sequence is:
Let’s use and :
Divide these equations to solve for r:
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