Question

{5,9,13,17,21,25,...}
How to write condition?​

Answer 1

the condition can be written as the set of sequence of numbers from 5 to infinite which are written from nth term 4n + 1.

Answer 2

Explanation:

is an arithmetic progression with ratio=4

a1=5

a2=a1+4=5+4=9

a3=a2+4=9+4=13

...............

a n+1 = a n+4