Question

write first five terms of ap whose nth term is given by an =4n+1/2 also find the sum of n terms​

Answer 1

Step-by-step explanation:

where

n=1

a1 = 4(1)+1/2 = 9/2

n=2

a2 = 4(2)+1/2 = 17/2

n=3

a3 = 4(3)+1/2 = 25/2

n=4

a4 = 4(4)+1/2 = 33/2

n=5

a5 = 4(5)+1/2 = 41/2