Question

find the 9th term of AP 3,2½,2​

Answer 1

Answer:

63

Step-by-step explanation:

we have ,

A.P is 3,21/2 ,2

sol.

here,

first term of AP is 3

and common defference equal to 21/2-3 = 15/2

since we have to find 9th term of AP then n is equal to 9

now using formula

ninth term is =3 +(9-1)15/2=3+60 =63 answer