Question

find the ninth term of the AP 3 , 7 , 11 , 15....​

Answer 1

Answer:

T(9) =3+8×4

=35.

THIS IS YOUR ANSWER

Answer 2

3 , 7 , 11 , 15 .....

a = 3 , d = a2 - a1

d = 7 - 3

d = 4

a9 = a + 8d

a9 = 3 + 8(4)

a9 = 3 + 32

a9 = 35