In this video, we use the general equation for terms of a geometric sequence:
t_n = ar^(n-1)
to find the first term a, the common ratio r and the nth term of a geometric sequence for a known values of the third term (t_3 = 100) and 5th term (t_4 = 400).
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Негізгі бет Geometric Sequences: Find the first term and common ratio
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