Question

which trem of ap 9,13,17,21 is 109​

Answer 1

Answer:

hello!

Step-by-step explanation:

given,

a(first term)=9

d(common difference)=13-9=4

therefore,

tn=a+(n-1)d

now putting the value of a and d, we get the

20th term,

t20=9+(20-1)4

=9+19×4

=9+76

85(ans)

hope it will help you. if you are satisfied with my answer then mark my answer as brainiest answer plz.

Answer 2

26th term

Here is the solution