Here,
First term (a) = 1
Common difference (d) = 3 -1 = 2
number of term (n) = 8
Last term (Tn) = ?
Now,
Tn = a + (n - 1) d
= 1 + (8 - 1) 2
= 1 + 7*2
= 15
◆ Tn = 15
I hope you understand...
This is a Right answer...
Thanks♥♥