safafaisal267 safafaisal267
  • 20-01-2019
  • Mathematics
contestada

The nth term of a sequence is 3n+2
a)work out first three term of sequence.
b)work out the tenth term of the sequences

Respuesta :

jimrgrant1 jimrgrant1
  • 20-01-2019

Answer:

5, 8, 11 and 32

Step-by-step explanation:

To find any term from an nth term formula, substitute the value of the term's position for n. that is

given [tex]a_{n}[/tex] = 3n + 2, then

(a)

[tex]a_{1}[/tex] = (3 × 1) + 2 = 3 + 2 = 5

[tex]a_{2}[/tex] = (3 × 2) + 2 = 6 + 2 = 8

[tex]a_{3}[/tex] = (3 × 3) + 2 = 9 + 2 = 11

(b)

[tex]a_{10}[/tex] = (3 × 10) + 2 = 30 + 2 = 32


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