Question

In the AP if a=5/2
d=6
n=4
to find an ​

Answer 1

Explanation:

an = a+(n-1)d

an= 5/2+(4-1)6

an=5/2+3×6

an=5/2+18

an=5+36/2

an=41/2

an=20.5

hope it will help you

Answer 2

Answer:

an=a+(n-1).d

an=5/2+(4-1).6

an=5/2+18

an=11.5