lillyxoxo16 lillyxoxo16
  • 17-02-2021
  • Mathematics
contestada

find the 17th term of the arithmetic sequence whose common difference is d=3 and whose first term is a1=1.

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 22-02-2021

Answer:

[tex]a_{17} = 49[/tex]

Step-by-step explanation:

Given

Sequence: Arithmetic

[tex]d = 3[/tex]

[tex]a_1 = 1[/tex]

Required

Determine the 17th term

The nth term of an arithmetic sequence is:

[tex]a_n = a_1 + (n - 1) d[/tex]

In this case: n = 17

So, we have:

[tex]a_{17} = 1 + (17 - 1) * 3[/tex]

[tex]a_{17} = 1 + 16 * 3[/tex]

[tex]a_{17} = 1 + 48[/tex]

[tex]a_{17} = 49[/tex]

Hence, the 17th term is 49

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