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toxic12396green24
02.11.2019 •
Mathematics
What is the value of the fourth term in a geometric sequence for which a1 = 30 and r = 1/2?
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Ответ:
The required fourth term of the geometric sequence is![\dfrac{10}{9}.](/tpl/images/0357/0018/51b8f.png)
Step-by-step explanation: We are given to find the value of the fourth term in a geometric sequence with first term and common ratio as follows :
We know that
the n-th term of a geometric sequence with first term a1 and common ratio r given by
Therefore, the fourth term of the given geometric sequence will be
Thus, the required fourth term of the geometric sequence is![\dfrac{10}{9}.](/tpl/images/0357/0018/51b8f.png)
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