Question

Find the19th term of the following ap7,13,19,25

Answer 1

Explanation:

a (first term ) = 7

d (common difference) = t2 -t1 = 13-7 = 6

n = 19

tn = a + ( n - 1 ) d

t19 = 7 + ( 19 - 1 ) 6

t19 = 7 + 108

t19 = 115 Answer

***********************************

Hope it helps you