Question

The nth term of an arithmetic progression is an = 3n+3,then the fifth

term is ------------

A)13

B)17

C)18

D)6​

Answer 1

Answer:

18

Step-by-step explanation:

nth term is 3n + 3

here, n = 5

Therefore, term = 5*3 + 3 = 15 + 3 = 18

Brainliest please

Answer 2

C) 18

Step-by-step explanation:

an = 3n + 3

a1 = 3(1) + 3 = 3 + 3= 6

a2 = 3(2) + 3 = 6 + 3 = 9

d = a2 - a1 = 9 - 6 =3

Then,

a5 = a1 + 4d

= 6 + 4(3)

= 6 + 12

= 18