This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The nth term is computed by:
nth term= 1st term + (n-1)d 
= 2n - 1

We can tell that d=2

1st term + 2n - 2 = 2n - 1
1st term - 2 = -1
1st term = 1

Therefore the terms are 1,3,5,7,9...
which are odd numbers.