remanisomasundaran8
remanisomasundaran8 remanisomasundaran8
  • 04-01-2020
  • Mathematics
contestada

if an=5n-3 find the common difference​

Respuesta :

jimrgrant1 jimrgrant1
  • 04-01-2020

Answer:

d = 5

Step-by-step explanation:

The common difference d of an arithmetic sequence is

d = a₂ - a₁ = a₃ - a₂ = [tex]a_{n}[/tex] - [tex]a_{n-1}[/tex]

Given

[tex]a_{n}[/tex] = 5n - 3

Generate the first 2 terms of the sequence by substituting n = 1, n = 2

a₁ = 5(1) - 3 = 5 - 3 = 2

a₂ = 5(2) - 3 = 10 - 3 = 7

d = 7 - 2 = 5

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