trinitytalbert2 trinitytalbert2

25-11-2021
Mathematics

contestada

determine the value of t9 in a geometric sequence if t1 = 5 and r = -3

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jimrgrant1 jimrgrant1

25-11-2021

Answer:

t₉ = 32805

Step-by-step explanation:

The nth term of a geometric sequence is

[tex]t_{n}[/tex] = t₁ [tex](r)^{n-1}[/tex]

Here t₁ = 5 and r = - 3 , then

t₉ = 5 [tex](-3)^{8}[/tex] = 5 × 6561 = 32805

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