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Softa [21]
4 years ago
11

Find the third term in a geometric sequence if a = 8 and r = -1. Use the formula a(subscript n) = arⁿ⁻¹

Mathematics
1 answer:
deff fn [24]4 years ago
8 0

Answer:

a_{3} = 8

Step-by-step explanation:

=> a_{n} = ar^{n-1

Where n = 3, a = 8 and r = -1

=> a_{3} = (8)(-1)^{3-1}

=> a_{3} = (8)(1)

=> a_{3} = 8

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