ehookfin22
ehookfin22 ehookfin22
  • 23-04-2022
  • Mathematics
contestada

If f(1) = 1 and f(n) = 5f(n-1) + 4 then find the value of f(5).

Respuesta :

semsee45
semsee45 semsee45
  • 23-04-2022

Answer:

[tex]f(5)=1249[/tex]

Step-by-step explanation:

Given:

  • [tex]f(1)=1[/tex]
  • [tex]f(n) = 5f(n-1)+4[/tex]

[tex]\implies f(2) = 5f(1)+4=5(1)+4=9[/tex]

[tex]\implies f(3) = 5f(2)+4=5(9)+4=49[/tex]

[tex]\implies f(4) = 5f(3)+4=5(49)+4=249[/tex]

[tex]\implies f(5) = 5f(4)+4=5(249)+4=1249[/tex]

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Аноним Аноним
  • 23-04-2022
  • f(n)=5f(n-1)+4
  • f(2)=5f1+4=5+4=9
  • f(3)=5f2+4=45+4=49
  • f(4)=5f3+4=245+4=249
  • f(5)=5f_4+4=1245+4=1249
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