Question

The nth term of an arithmetic progression is an
= 4n + 5 then the 3rd term is :
A. 5 B. 9
C. 13 D. 17

Answer 1

Answer:

$option(d)$

$4n + 5$

$n = 3$

$4(3) + 5$

$12 + 5 = 17$

Answer 2

Answer:

an=4n+5

put n=3 in this equation

A3= 4×3+5= 17 Ans