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Find the formula for the 19th term of the sequence in which a1 = 9 and the common ratio is 6.
Question : Find the formula for the 19th term of the sequence in which a1 = 9 and the common ratio is 6. Answer : From the question we know that : n = 19th a₁ = 9 r = 6 General Formulas To find any term of a geometric sequence: [tex]a_{n}=a_{1} \cdot r^{(n-1)}[/tex]
The formula for the 19th term of the sequence : [tex]a_{19}=9 \cdot 6^{(19-1)}[/tex]
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