A geometric sequence has a common ratio r of , and the 4th term is 27. What is the first term of the sequence ?
To determine the first term of a geometric sequence with a common ratio and where the 4th term , follow these steps:
1.Use the formula for the (n)-th term of a geometric sequence:
2.Substitute the known values into the formula for :
3.Calculate Click "Show Answer" to reveal the answer and analysis
Click "Show Answer" to reveal the answer and analysis
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