Answer:
- The first four terms are 4,8,12,16
Step-by-Step Explanation:
The given relation between the nth term and it's previous term is given by:
[tex] \boxed{an = an - 1 + 4}[/tex]
GiveN:
Now finding the other three terms of the AP with the given relation.
[tex]a2 = a1 + 4[/tex]
Putting a1 = 4,
[tex]a2 = 4 + 4 = 8[/tex]
Now, Third term:
[tex]a3 = a2 + 4[/tex]
Putting a2 = 8,
[tex]a3 = 8 + 4 = 12[/tex]
Now, Fourth term:
[tex]a4 = a3 + 4[/tex]
Putting a3 = 12,
[tex]a4 = 12 + 4 = 16[/tex]
Hence, The first four terms of the AP is 4, 8, 12 & 16.
