Question

show that a1, a2,........, an ,..... form an AP where an is defined as below
1. an = 3 + 4n
2. an = 9 - 5n
answer fast please​

Answer 1

Step-by-step explanation:

hope this helps you plz mark as brainliest plz.....

Answer 2

Answer:

the other one can be done in the same way