Respuesta :
We have the sequence 2, 6, 10, 14, 18, ... Always 4 being added, so we can say:
The first term is 2. The added is 4, so,
a1 = 2
[tex]a_n=a_{n-1}+4[/tex]
Prove:
[tex]a_2=a_{2-1}+4 => a_2=a_1+4=>a_2=2+4=6[/tex]
Answer:
The first term = 2
a1 = 2
a_n=a_{n-1}+4
Step-by-step explanation: