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Nesterboy [21]
2 years ago
11

Find the first four terms of the sequence given by the following. an= 4(2)^n-1 n=1, 2, 3...

Mathematics
1 answer:
mr_godi [17]2 years ago
4 0

Answer + Step-by-step explanation:

an= 4(2)ⁿ⁻¹

<u>First term (n = 1)</u> :

a1= 4(2)¹⁻¹ = 4(2)⁰ = 4×(1) = 4

<u>Second term (n = 2)</u> :

a2= 4(2)²⁻¹ = 4(2)¹ = 4×(2) = 8

<u>Third term (n = 3)</u> :

a3= 4(2)³⁻¹ = 4(2)² = 4×(4) = 16

<u>Fourth term (n = 4)</u> :

a4= 4(2)⁴⁻¹ = 4(2)³ = 4×(8) = 32

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