Question 12 Marks
Find the 19th term of the following A.P. :
7, 13, 19, 25, ...
7, 13, 19, 25, ...
Answer
View full question & answer→$a = 7$, $d = 6$, $n = 19$
$t_n = a + (n - 1)d$
$t_{19} = 7 + (18)6 = 7 + 108 = 115$
$t_n = a + (n - 1)d$
$t_{19} = 7 + (18)6 = 7 + 108 = 115$