earthkid360 earthkid360
  • 14-06-2021
  • Mathematics
contestada

If a1 = 6 and an
-5an-1 + 4 then find the value of a4.

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sqdancefan
sqdancefan sqdancefan
  • 15-06-2021

9514 1404 393

Answer:

  a4 = -666

Step-by-step explanation:

Use the recursive definition repeatedly.

  a1 = 6

  a2 = -5(6) +4 = -26

  a3 = -5(-26) +4 = 134

  a4 = -5(134) +4 = -666

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